diff --git a/src/main/java/com/testcar/car/domains/auth/AuthController.java b/src/main/java/com/testcar/car/domains/auth/AuthController.java
index db905ab..c6ca38a 100644
--- a/src/main/java/com/testcar/car/domains/auth/AuthController.java
+++ b/src/main/java/com/testcar/car/domains/auth/AuthController.java
@@ -3,6 +3,8 @@
 
 import com.testcar.car.domains.auth.model.LoginRequest;
 import com.testcar.car.domains.auth.model.TokenResponse;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -10,12 +12,14 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+@Tag(name = "[인증]", description = "인증 API")
 @RestController
 @RequestMapping("/auth")
 @RequiredArgsConstructor
 public class AuthController {
     private final AuthService authService;
 
+    @Operation(summary = "[로그인] 로그인", description = "로그인을 수행합니다.")
     @PostMapping("/login")
     public TokenResponse login(@Valid @RequestBody LoginRequest request) {
         final String accessToken = authService.login(request);
diff --git a/src/main/java/com/testcar/car/domains/auth/model/LoginRequest.java b/src/main/java/com/testcar/car/domains/auth/model/LoginRequest.java
index a899fea..754ab17 100644
--- a/src/main/java/com/testcar/car/domains/auth/model/LoginRequest.java
+++ b/src/main/java/com/testcar/car/domains/auth/model/LoginRequest.java
@@ -3,6 +3,7 @@
 
 import com.testcar.car.common.annotation.Password;
 import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -10,7 +11,8 @@
 @Getter
 @NoArgsConstructor
 public class LoginRequest {
-    @NotBlank
+    @NotBlank(message = "이메일을 입력해주세요.")
+    @Email(message = "이메일 형식을 확인해주세요.")
     @Schema(description = "이메일", example = "kls1998@naver.com")
     private String email;
 
diff --git a/src/main/java/com/testcar/car/domains/car/CarController.java b/src/main/java/com/testcar/car/domains/car/CarController.java
index 1172859..f272129 100644
--- a/src/main/java/com/testcar/car/domains/car/CarController.java
+++ b/src/main/java/com/testcar/car/domains/car/CarController.java
@@ -6,7 +6,6 @@
 import com.testcar.car.domains.car.entity.Car;
 import com.testcar.car.domains.car.model.CarResponse;
 import com.testcar.car.domains.car.model.RegisterCarRequest;
-import com.testcar.car.domains.car.model.TestCarResponse;
 import com.testcar.car.domains.car.model.vo.CarFilterCondition;
 import com.testcar.car.domains.member.Role;
 import io.swagger.v3.oas.annotations.Operation;
@@ -43,32 +42,14 @@ public PageResponse<CarResponse> getCarsByCondition(
         return PageResponse.from(cars.map(CarResponse::from));
     }
 
-    @GetMapping("/test")
-    @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험차량 관리] 차량 조회 필터", description = "조건에 맞는 시험 차량을 페이지네이션으로 조회합니다.")
-    public PageResponse<TestCarResponse> getTestCarsByCondition(
-            @ParameterObject @ModelAttribute CarFilterCondition condition,
-            @ParameterObject Pageable pageable) {
-        final Page<Car> cars = carService.findAllWithStocksPageByCondition(condition, pageable);
-        return PageResponse.from(cars.map(TestCarResponse::from));
-    }
-
     @GetMapping("/{carId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[차량 관리] 사용자 상세 정보", description = "차량 상세 정보를 가져옵니다.")
+    @Operation(summary = "[차량 관리] 차량 상세 정보", description = "차량 상세 정보를 가져옵니다.")
     public CarResponse getCarById(@PathVariable Long carId) {
         final Car car = carService.findById(carId);
         return CarResponse.from(car);
     }
 
-    @PostMapping("/register")
-    @RoleAllowed(role = Role.ADMIN)
-    @Operation(summary = "[차량 관리] 차량 등록", description = "(관리자) 새로운 차량을 등록합니다.")
-    public CarResponse register(@Valid @RequestBody RegisterCarRequest request) {
-        final Car car = carService.register(request);
-        return CarResponse.from(car);
-    }
-
     @PatchMapping("/{carId}")
     @RoleAllowed(role = Role.ADMIN)
     @Operation(summary = "[차량 관리] 차량 정보 수정", description = "(관리자) 차량 정보를 수정합니다.")
@@ -85,4 +66,12 @@ public CarResponse withdraw(@PathVariable Long carId) {
         final Car car = carService.deleteById(carId);
         return CarResponse.from(car);
     }
+
+    @PostMapping("/register")
+    @RoleAllowed(role = Role.ADMIN)
+    @Operation(summary = "[차량 등록] 차량 등록", description = "(관리자) 새로운 차량을 등록합니다.")
+    public CarResponse register(@Valid @RequestBody RegisterCarRequest request) {
+        final Car car = carService.register(request);
+        return CarResponse.from(car);
+    }
 }
diff --git a/src/main/java/com/testcar/car/domains/car/TestCarController.java b/src/main/java/com/testcar/car/domains/car/TestCarController.java
index 112163b..fdfcd3c 100644
--- a/src/main/java/com/testcar/car/domains/car/TestCarController.java
+++ b/src/main/java/com/testcar/car/domains/car/TestCarController.java
@@ -28,7 +28,7 @@ public class TestCarController {
 
     @GetMapping
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험차량 관리] 차량 조회 필터", description = "조건에 맞는 시험 차량을 페이지네이션으로 조회합니다.")
+    @Operation(summary = "[대여] 차량 조회 필터", description = "조건에 맞는 시험 차량을 페이지네이션으로 조회합니다.")
     public PageResponse<TestCarResponse> getTestCarsByCondition(
             @ParameterObject @ModelAttribute CarFilterCondition condition,
             @ParameterObject Pageable pageable) {
@@ -38,7 +38,7 @@ public PageResponse<TestCarResponse> getTestCarsByCondition(
 
     @GetMapping("/{carId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험차량 관리] 시험차량 상세 정보", description = "시험차량 상세 정보를 가져옵니다.")
+    @Operation(summary = "[대여] 시험차량 상세 정보", description = "대여할 시험 차량 상세 정보를 가져옵니다.")
     public TestCarResponse getCarById(@PathVariable Long carId) {
         final Car car = testCarService.findById(carId);
         return TestCarResponse.from(car);
diff --git a/src/main/java/com/testcar/car/domains/car/model/RegisterCarRequest.java b/src/main/java/com/testcar/car/domains/car/model/RegisterCarRequest.java
index 390f521..c5bc3a8 100644
--- a/src/main/java/com/testcar/car/domains/car/model/RegisterCarRequest.java
+++ b/src/main/java/com/testcar/car/domains/car/model/RegisterCarRequest.java
@@ -11,17 +11,17 @@
 
 @Getter
 public class RegisterCarRequest {
-    @NotBlank
+    @NotBlank(message = "차량명을 입력해주세요.")
     @Length(max = 20)
     @Schema(description = "차량명", example = "아반떼")
     private String name;
 
-    @NotNull
+    @NotNull(message = "차종을 입력해주세요.")
     @Schema(description = "차종", example = "SEDAN", implementation = Type.class)
     private Type type;
 
-    @NotNull
-    @Positive
+    @NotNull(message = "배기량을 입력해주세요.")
+    @Positive(message = "배기량은 0보다 커야합니다.")
     @Schema(description = "배기량", example = "1.6")
     private Double displacement;
 }
diff --git a/src/main/java/com/testcar/car/domains/carReservation/CarReservationController.java b/src/main/java/com/testcar/car/domains/carReservation/CarReservationController.java
index 203f687..b809474 100644
--- a/src/main/java/com/testcar/car/domains/carReservation/CarReservationController.java
+++ b/src/main/java/com/testcar/car/domains/carReservation/CarReservationController.java
@@ -35,9 +35,18 @@
 public class CarReservationController {
     private final CarReservationService carReservationService;
 
+    @PostMapping("/reserve")
+    @RoleAllowed(role = Role.USER)
+    @Operation(summary = "[대여] 시험 차량 대여", description = "시험 차량을 예약합니다.")
+    public CarReservationResponse postCarReservation(
+            @AuthMember Member member, @Valid @RequestBody CarReservationRequest request) {
+        final CarReservation carReservation = carReservationService.reserve(member, request);
+        return CarReservationResponse.from(carReservation);
+    }
+
     @GetMapping("/reservations")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험차량 관리] 시험차량 대여 이력", description = "조건에 맞는 시험차량 대여 이력을 모두 조회합니다.")
+    @Operation(summary = "[대여 이력] 시험차량 대여 이력", description = "조건에 맞는 시험차량 대여 이력을 모두 조회합니다.")
     public PageResponse<CarReservationResponse> getCarReservationsByCondition(
             @ParameterObject @ModelAttribute CarReservationFilterCondition condition,
             @ParameterObject Pageable pageable) {
@@ -46,18 +55,9 @@ public PageResponse<CarReservationResponse> getCarReservationsByCondition(
         return PageResponse.from(carReservations.map(CarReservationResponse::from));
     }
 
-    @PostMapping("/reserve")
-    @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험차량 관리] 시험차량 대여", description = "시험 차량을 예약합니다.")
-    public CarReservationResponse postCarReservation(
-            @AuthMember Member member, @Valid @RequestBody CarReservationRequest request) {
-        final CarReservation carReservation = carReservationService.reserve(member, request);
-        return CarReservationResponse.from(carReservation);
-    }
-
     @PatchMapping("/return")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험차량 관리] 시험차량 반납", description = "시험 차량을 반납합니다.")
+    @Operation(summary = "[대여 이력] 시험차량 반납", description = "시험 차량을 반납합니다.")
     public List<CarReservationResponse> postCarReservation(
             @AuthMember Member member, @Valid @RequestBody ReturnCarReservationRequest request) {
         final List<CarReservation> carReservation =
diff --git a/src/main/java/com/testcar/car/domains/carReservation/model/CarReservationRequest.java b/src/main/java/com/testcar/car/domains/carReservation/model/CarReservationRequest.java
index 5388e79..06a6713 100644
--- a/src/main/java/com/testcar/car/domains/carReservation/model/CarReservationRequest.java
+++ b/src/main/java/com/testcar/car/domains/carReservation/model/CarReservationRequest.java
@@ -3,11 +3,13 @@
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Positive;
 import lombok.Getter;
 
 @Getter
 public class CarReservationRequest {
-    @NotNull
+    @NotNull(message = "차량재고 ID를 입력해주세요.")
+    @Positive(message = "차량재고 ID는 0보다 커야합니다.")
     @Schema(description = "차량재고 ID", example = "1")
     private Long carStockId;
 }
diff --git a/src/main/java/com/testcar/car/domains/carReservation/model/ReturnCarReservationRequest.java b/src/main/java/com/testcar/car/domains/carReservation/model/ReturnCarReservationRequest.java
index 0a660a0..491a494 100644
--- a/src/main/java/com/testcar/car/domains/carReservation/model/ReturnCarReservationRequest.java
+++ b/src/main/java/com/testcar/car/domains/carReservation/model/ReturnCarReservationRequest.java
@@ -2,13 +2,15 @@
 
 
 import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
 import java.util.List;
 import lombok.Getter;
 
 @Getter
 public class ReturnCarReservationRequest {
-    @NotNull
+    @NotNull(message = "차량 예약 ID 리스트를 입력해주세요.")
+    @NotEmpty(message = "차량 예약 ID 리스트를 입력해주세요.")
     @Schema(description = "차량 예약 ID 리스트", example = "[1, 2, 3]")
     private List<Long> carReservationIds;
 }
diff --git a/src/main/java/com/testcar/car/domains/carStock/CarStockController.java b/src/main/java/com/testcar/car/domains/carStock/CarStockController.java
index 382064a..4838eab 100644
--- a/src/main/java/com/testcar/car/domains/carStock/CarStockController.java
+++ b/src/main/java/com/testcar/car/domains/carStock/CarStockController.java
@@ -11,6 +11,7 @@
 import com.testcar.car.domains.carStock.model.vo.CarStockFilterCondition;
 import com.testcar.car.domains.member.Role;
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.validation.Valid;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
@@ -27,6 +28,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+@Tag(name = "[차량 관리] ", description = "차량 재고 관리 API")
 @RestController
 @RequestMapping("/cars/stocks")
 @RequiredArgsConstructor
diff --git a/src/main/java/com/testcar/car/domains/carStock/model/DeleteCarStockRequest.java b/src/main/java/com/testcar/car/domains/carStock/model/DeleteCarStockRequest.java
index d510b4f..139070a 100644
--- a/src/main/java/com/testcar/car/domains/carStock/model/DeleteCarStockRequest.java
+++ b/src/main/java/com/testcar/car/domains/carStock/model/DeleteCarStockRequest.java
@@ -10,7 +10,8 @@
 
 @Getter
 public class DeleteCarStockRequest {
-    @NotEmpty
+    @NotNull(message = "차량 재고 ID를 입력해주세요.")
+    @NotEmpty(message = "차량 재고 ID를 입력해주세요.")
     @Schema(description = "차량 재고 ID", example = "[1, 2, 3]")
     private List<@NotNull @Positive Long> ids;
 }
diff --git a/src/main/java/com/testcar/car/domains/carStock/model/RegisterCarStockRequest.java b/src/main/java/com/testcar/car/domains/carStock/model/RegisterCarStockRequest.java
index a0e4338..d5c80fe 100644
--- a/src/main/java/com/testcar/car/domains/carStock/model/RegisterCarStockRequest.java
+++ b/src/main/java/com/testcar/car/domains/carStock/model/RegisterCarStockRequest.java
@@ -6,20 +6,22 @@
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Positive;
 import lombok.Getter;
 
 @Getter
 public class RegisterCarStockRequest {
-    @NotNull
+    @NotNull(message = "차량 ID를 입력해주세요.")
+    @Positive(message = "차량 ID는 0보다 커야합니다.")
     @Schema(description = "차량 ID", example = "아반떼")
     private Long carId;
 
-    @NotBlank
-    @Pattern(regexp = "^[0-9]{12}$")
+    @NotBlank(message = "차량 재고번호를 입력해주세요.")
+    @Pattern(regexp = "^[0-9]{12}$", message = "차량 재고번호는 12자리 숫자만 가능합니다.")
     @Schema(description = "차량 재고번호", example = "2023010300001")
     private String stockNumber;
 
-    @NotNull
+    @NotNull(message = "차량 재고 상태를 입력해주세요.")
     @Schema(description = "재고 상태", example = "AVAILABLE", implementation = StockStatus.class)
     private StockStatus status;
 }
diff --git a/src/main/java/com/testcar/car/domains/carStock/model/UpdateCarStockRequest.java b/src/main/java/com/testcar/car/domains/carStock/model/UpdateCarStockRequest.java
index 9654b20..13aef7c 100644
--- a/src/main/java/com/testcar/car/domains/carStock/model/UpdateCarStockRequest.java
+++ b/src/main/java/com/testcar/car/domains/carStock/model/UpdateCarStockRequest.java
@@ -10,12 +10,12 @@
 
 @Getter
 public class UpdateCarStockRequest {
-    @NotBlank
-    @Pattern(regexp = "^[0-9]{12}$")
+    @NotBlank(message = "차량 재고번호를 입력해주세요.")
+    @Pattern(regexp = "^[0-9]{12}$", message = "차량 재고번호는 12자리 숫자만 가능합니다.")
     @Schema(description = "차량 재고번호", example = "2023010300001")
     private String stockNumber;
 
-    @NotNull
+    @NotNull(message = "차량 재고 상태를 입력해주세요.")
     @Schema(description = "재고 상태", example = "AVAILABLE", implementation = StockStatus.class)
     private StockStatus status;
 }
diff --git a/src/main/java/com/testcar/car/domains/carTest/CarTestController.java b/src/main/java/com/testcar/car/domains/carTest/CarTestController.java
index 687fcfe..8fbbefd 100644
--- a/src/main/java/com/testcar/car/domains/carTest/CarTestController.java
+++ b/src/main/java/com/testcar/car/domains/carTest/CarTestController.java
@@ -28,7 +28,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-@Tag(name = "[시험장 관리] 시험 수행 이력", description = "차량 시험 수행 결과를 관리합니다.")
+@Tag(name = "[시험차량 관리]", description = "차량 시험 수행 결과를 관리합니다.")
 @RestController
 @RequestMapping("/cars/tests")
 @RequiredArgsConstructor
@@ -38,7 +38,7 @@ public class CarTestController {
     @GetMapping
     @RoleAllowed(role = Role.USER)
     @Operation(
-            summary = "[시험장 관리] 시험 수행 이력 조회 필터",
+            summary = "[시험 수행 이력] 시험 수행 이력 조회 필터",
             description = "조건에 맞는 모든 시험 수행 이력을 페이지네이션으로 조회합니다.")
     public PageResponse<CarTestResponse> getCarTestsByCondition(
             @ParameterObject @ModelAttribute CarTestFilterCondition condition,
@@ -50,7 +50,7 @@ public PageResponse<CarTestResponse> getCarTestsByCondition(
 
     @GetMapping("/{carTestId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 시험 수행 이력 상세", description = "시험 수행 이력을 id로 조회합니다.")
+    @Operation(summary = "[시험 수행 이력] 시험 수행 이력 상세", description = "시험 수행 이력을 id로 조회합니다.")
     public CarTestResponse getCarTestsByCondition(@PathVariable Long carTestId) {
         final CarTestDto carTest = carTestService.findById(carTestId);
         return CarTestResponse.from(carTest);
@@ -58,7 +58,7 @@ public CarTestResponse getCarTestsByCondition(@PathVariable Long carTestId) {
 
     @PostMapping
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 시험 수행 이력 등록", description = "시험 수행 이력을 등록합니다.")
+    @Operation(summary = "[시험 수행 이력] 시험 수행 이력 등록", description = "시험 수행 이력을 등록합니다.")
     public CarTestResponse register(
             @AuthMember Member member, @Valid @RequestBody CarTestRequest request) {
         final CarTest carTest = carTestService.register(member, request);
@@ -67,7 +67,7 @@ public CarTestResponse register(
 
     @PatchMapping("/{carTestId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 시험 수행 이력 수정", description = "시험 수행 이력을 수정합니다.")
+    @Operation(summary = "[시험 수행 이력] 시험 수행 이력 수정", description = "시험 수행 이력을 수정합니다.")
     public CarTestResponse update(
             @AuthMember Member member,
             @PathVariable Long carTestId,
@@ -78,7 +78,7 @@ public CarTestResponse update(
 
     @DeleteMapping("/{carTestId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 시험 수행 이력 삭제", description = "시험 수행 이력을 삭제합니다.")
+    @Operation(summary = "[시험 수행 이력] 시험 수행 이력 삭제", description = "시험 수행 이력을 삭제합니다.")
     public Long delete(@AuthMember Member member, @PathVariable Long carTestId) {
         carTestService.delete(member, carTestId);
         return carTestId;
diff --git a/src/main/java/com/testcar/car/domains/carTest/model/CarTestRequest.java b/src/main/java/com/testcar/car/domains/carTest/model/CarTestRequest.java
index e3cd3e7..8437a8c 100644
--- a/src/main/java/com/testcar/car/domains/carTest/model/CarTestRequest.java
+++ b/src/main/java/com/testcar/car/domains/carTest/model/CarTestRequest.java
@@ -4,22 +4,26 @@
 import com.testcar.car.common.annotation.DateFormat;
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
 import java.time.LocalDate;
 import lombok.Getter;
 
 @Getter
 public class CarTestRequest {
-    @NotBlank
+    @NotBlank(message = "시험장 이름을 입력해주세요.")
     @Schema(description = "시험장 이름", example = "서산주행시험장")
     private String trackName;
 
+    @NotBlank(message = "차량 재고 번호를 입력해주세요.")
     @Schema(description = "차량 재고 번호", example = "123412343333")
     private String stockNumber;
 
     @DateFormat
+    @NotNull(message = "시험일자를 입력해주세요.")
     @Schema(description = "시험일자", example = "2021-01-01")
     private LocalDate performedAt;
 
+    @NotBlank(message = "주행 결과를 입력해주세요.")
     @Schema(description = "주행결과", example = "이상없음")
     private String result;
 
diff --git a/src/main/java/com/testcar/car/domains/carTest/model/CarTestResponse.java b/src/main/java/com/testcar/car/domains/carTest/model/CarTestResponse.java
index 4068aa1..fad0cb7 100644
--- a/src/main/java/com/testcar/car/domains/carTest/model/CarTestResponse.java
+++ b/src/main/java/com/testcar/car/domains/carTest/model/CarTestResponse.java
@@ -7,7 +7,7 @@
 import com.testcar.car.domains.carStock.entity.CarStock;
 import com.testcar.car.domains.carTest.entity.CarTest;
 import com.testcar.car.domains.carTest.model.vo.CarTestDto;
-import com.testcar.car.domains.department.Department;
+import com.testcar.car.domains.department.entity.Department;
 import com.testcar.car.domains.member.Member;
 import com.testcar.car.domains.track.Track;
 import io.swagger.v3.oas.annotations.media.Schema;
diff --git a/src/main/java/com/testcar/car/domains/department/DepartmentController.java b/src/main/java/com/testcar/car/domains/department/DepartmentController.java
index a78f8a1..1e48514 100644
--- a/src/main/java/com/testcar/car/domains/department/DepartmentController.java
+++ b/src/main/java/com/testcar/car/domains/department/DepartmentController.java
@@ -2,10 +2,12 @@
 
 
 import com.testcar.car.common.annotation.RoleAllowed;
+import com.testcar.car.domains.department.entity.Department;
 import com.testcar.car.domains.department.model.CreateDepartmentRequest;
 import com.testcar.car.domains.department.model.DepartmentResponse;
 import com.testcar.car.domains.member.Role;
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.validation.Valid;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
@@ -15,6 +17,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+@Tag(name = "[부서 관리] ", description = "부서 관리 API")
 @RestController
 @RequestMapping("/departments")
 @RequiredArgsConstructor
@@ -31,7 +34,7 @@ public List<DepartmentResponse> findAll() {
 
     @PostMapping
     @RoleAllowed(role = Role.ADMIN)
-    @Operation(summary = "[부서 관리] 부서 생성", description = "(관리자) 새로운 부서를 생성합니다.")
+    @Operation(summary = "[부서 등록] 부서 생성", description = "(관리자) 새로운 부서를 생성합니다.")
     public DepartmentResponse create(@Valid @RequestBody CreateDepartmentRequest request) {
         final Department department = departmentService.create(request);
         return DepartmentResponse.from(department);
diff --git a/src/main/java/com/testcar/car/domains/department/DepartmentService.java b/src/main/java/com/testcar/car/domains/department/DepartmentService.java
index 444898f..7e738c1 100644
--- a/src/main/java/com/testcar/car/domains/department/DepartmentService.java
+++ b/src/main/java/com/testcar/car/domains/department/DepartmentService.java
@@ -4,8 +4,10 @@
 
 import com.testcar.car.common.exception.BadRequestException;
 import com.testcar.car.common.exception.NotFoundException;
+import com.testcar.car.domains.department.entity.Department;
 import com.testcar.car.domains.department.exception.ErrorCode;
 import com.testcar.car.domains.department.model.CreateDepartmentRequest;
+import com.testcar.car.domains.department.repository.DepartmentRepository;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
diff --git a/src/main/java/com/testcar/car/domains/department/Department.java b/src/main/java/com/testcar/car/domains/department/entity/Department.java
similarity index 94%
rename from src/main/java/com/testcar/car/domains/department/Department.java
rename to src/main/java/com/testcar/car/domains/department/entity/Department.java
index 1f900f6..efae32a 100644
--- a/src/main/java/com/testcar/car/domains/department/Department.java
+++ b/src/main/java/com/testcar/car/domains/department/entity/Department.java
@@ -1,4 +1,4 @@
-package com.testcar.car.domains.department;
+package com.testcar.car.domains.department.entity;
 
 
 import com.testcar.car.common.entity.BaseEntity;
diff --git a/src/main/java/com/testcar/car/domains/department/model/CreateDepartmentRequest.java b/src/main/java/com/testcar/car/domains/department/model/CreateDepartmentRequest.java
index b590487..b1f9195 100644
--- a/src/main/java/com/testcar/car/domains/department/model/CreateDepartmentRequest.java
+++ b/src/main/java/com/testcar/car/domains/department/model/CreateDepartmentRequest.java
@@ -2,10 +2,12 @@
 
 
 import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
 
 @Getter
 public class CreateDepartmentRequest {
+    @NotBlank(message = "부서명을 입력해주세요.")
     @Schema(description = "부서명", example = "시스템관리팀")
     private String name;
 }
diff --git a/src/main/java/com/testcar/car/domains/department/model/DepartmentResponse.java b/src/main/java/com/testcar/car/domains/department/model/DepartmentResponse.java
index 2830615..2a5ac08 100644
--- a/src/main/java/com/testcar/car/domains/department/model/DepartmentResponse.java
+++ b/src/main/java/com/testcar/car/domains/department/model/DepartmentResponse.java
@@ -1,7 +1,7 @@
 package com.testcar.car.domains.department.model;
 
 
-import com.testcar.car.domains.department.Department;
+import com.testcar.car.domains.department.entity.Department;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Builder;
 import lombok.Getter;
diff --git a/src/main/java/com/testcar/car/domains/department/model/vo/DepartmentVo.java b/src/main/java/com/testcar/car/domains/department/model/vo/DepartmentVo.java
index 5b16ce6..e29b793 100644
--- a/src/main/java/com/testcar/car/domains/department/model/vo/DepartmentVo.java
+++ b/src/main/java/com/testcar/car/domains/department/model/vo/DepartmentVo.java
@@ -1,7 +1,7 @@
 package com.testcar.car.domains.department.model.vo;
 
 
-import com.testcar.car.domains.department.Department;
+import com.testcar.car.domains.department.entity.Department;
 import lombok.Builder;
 import lombok.Getter;
 
diff --git a/src/main/java/com/testcar/car/domains/department/DepartmentRepository.java b/src/main/java/com/testcar/car/domains/department/repository/DepartmentRepository.java
similarity index 75%
rename from src/main/java/com/testcar/car/domains/department/DepartmentRepository.java
rename to src/main/java/com/testcar/car/domains/department/repository/DepartmentRepository.java
index c9dacfa..f590e89 100644
--- a/src/main/java/com/testcar/car/domains/department/DepartmentRepository.java
+++ b/src/main/java/com/testcar/car/domains/department/repository/DepartmentRepository.java
@@ -1,6 +1,7 @@
-package com.testcar.car.domains.department;
+package com.testcar.car.domains.department.repository;
 
 
+import com.testcar.car.domains.department.entity.Department;
 import java.util.List;
 import java.util.Optional;
 import org.springframework.data.jpa.repository.JpaRepository;
diff --git a/src/main/java/com/testcar/car/domains/expense/ExpenseController.java b/src/main/java/com/testcar/car/domains/expense/ExpenseController.java
index b5ac964..a03b416 100644
--- a/src/main/java/com/testcar/car/domains/expense/ExpenseController.java
+++ b/src/main/java/com/testcar/car/domains/expense/ExpenseController.java
@@ -37,7 +37,7 @@ public class ExpenseController {
 
     @GetMapping
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[지출 관리] 지출 내역 조회", description = "지출 내역을 조건에 맞게 조회합니다.")
+    @Operation(summary = "[지출 내역 관리] 지출 내역 조회", description = "지출 내역을 조건에 맞게 조회합니다.")
     public PageResponse<ExpenseResponse> getExpensesByCondition(
             @ParameterObject @ModelAttribute ExpenseFilterCondition condition,
             @ParameterObject Pageable pageable) {
@@ -47,7 +47,7 @@ public PageResponse<ExpenseResponse> getExpensesByCondition(
 
     @GetMapping("/{expenseId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[지출 관리]] 지출 이력 상세 조회", description = "지출 이력 상세 정보를 id로 조회합니다.")
+    @Operation(summary = "[지출 내역 관리] 지출 이력 조회", description = "지출 이력 상세 정보를 id로 조회합니다.")
     public ExpenseResponse getExpenseById(@PathVariable Long expenseId) {
         final ExpenseDto dto = expenseService.findById(expenseId);
         return ExpenseResponse.from(dto);
@@ -55,7 +55,7 @@ public ExpenseResponse getExpenseById(@PathVariable Long expenseId) {
 
     @PostMapping
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[지출 관리] 지출 이력 등록", description = "지출 이력을 등록합니다.")
+    @Operation(summary = "[지출 내역 관리] 지출 이력 등록", description = "지출 이력을 등록합니다.")
     public ExpenseResponse register(
             @AuthMember Member member, @Valid @RequestBody RegisterExpenseRequest request) {
         final Expense expense = expenseService.register(member, request);
@@ -64,7 +64,7 @@ public ExpenseResponse register(
 
     @PatchMapping("/{expenseId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[지출 관리] 지출 이력 수정", description = "지출 이력을 수정합니다.")
+    @Operation(summary = "[지출 내역 관리] 지출 이력 수정", description = "지출 이력을 수정합니다.")
     public ExpenseResponse update(
             @AuthMember Member member,
             @PathVariable Long expenseId,
@@ -75,7 +75,7 @@ public ExpenseResponse update(
 
     @DeleteMapping("/{expenseId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[지출 관리] 지출 이력 삭제", description = "지출 이력을 삭제합니다.")
+    @Operation(summary = "[지출 내역 관리] 지출 이력 삭제", description = "지출 이력을 삭제합니다.")
     public Long delete(@AuthMember Member member, @PathVariable Long expenseId) {
         expenseService.delete(member, expenseId);
         return expenseId;
diff --git a/src/main/java/com/testcar/car/domains/expense/model/ExpenseResponse.java b/src/main/java/com/testcar/car/domains/expense/model/ExpenseResponse.java
index f401e76..fa513fa 100644
--- a/src/main/java/com/testcar/car/domains/expense/model/ExpenseResponse.java
+++ b/src/main/java/com/testcar/car/domains/expense/model/ExpenseResponse.java
@@ -5,7 +5,7 @@
 import com.testcar.car.common.annotation.DateTimeFormat;
 import com.testcar.car.domains.car.entity.Car;
 import com.testcar.car.domains.carStock.entity.CarStock;
-import com.testcar.car.domains.department.Department;
+import com.testcar.car.domains.department.entity.Department;
 import com.testcar.car.domains.expense.entity.Expense;
 import com.testcar.car.domains.expense.model.dto.ExpenseDto;
 import com.testcar.car.domains.member.Member;
diff --git a/src/main/java/com/testcar/car/domains/expense/model/RegisterExpenseRequest.java b/src/main/java/com/testcar/car/domains/expense/model/RegisterExpenseRequest.java
index 59f48f6..a323726 100644
--- a/src/main/java/com/testcar/car/domains/expense/model/RegisterExpenseRequest.java
+++ b/src/main/java/com/testcar/car/domains/expense/model/RegisterExpenseRequest.java
@@ -18,8 +18,8 @@ public class RegisterExpenseRequest {
     @Schema(description = "재고번호", example = "123412341234")
     private String stockNumber;
 
-    @NotNull(message = "지출일자를 입력해주세요.")
     @DateFormat
+    @NotNull(message = "지출일자를 입력해주세요.")
     @Schema(description = "지출일자", example = "2021-01-01")
     private LocalDate usedAt;
 
diff --git a/src/main/java/com/testcar/car/domains/gasStation/model/DeleteGasStationRequest.java b/src/main/java/com/testcar/car/domains/gasStation/model/DeleteGasStationRequest.java
index 116d79c..1ae9841 100644
--- a/src/main/java/com/testcar/car/domains/gasStation/model/DeleteGasStationRequest.java
+++ b/src/main/java/com/testcar/car/domains/gasStation/model/DeleteGasStationRequest.java
@@ -2,13 +2,17 @@
 
 
 import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.Valid;
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Positive;
 import java.util.List;
 import lombok.Getter;
 
 @Getter
 public class DeleteGasStationRequest {
-    @NotEmpty
+    @NotNull(message = "주유소 ID 리스트를 입력해주세요.")
+    @NotEmpty(message = "주유소 ID 리스트를 입력해주세요.")
     @Schema(description = "주유소 ID", example = "[1, 2, 3]")
-    private List<Long> ids;
+    private List<@Valid @NotNull @Positive Long> ids;
 }
diff --git a/src/main/java/com/testcar/car/domains/gasStation/model/RegisterGasStationRequest.java b/src/main/java/com/testcar/car/domains/gasStation/model/RegisterGasStationRequest.java
index 7549ba2..689ad9f 100644
--- a/src/main/java/com/testcar/car/domains/gasStation/model/RegisterGasStationRequest.java
+++ b/src/main/java/com/testcar/car/domains/gasStation/model/RegisterGasStationRequest.java
@@ -7,7 +7,7 @@
 
 @Getter
 public class RegisterGasStationRequest {
-    @NotBlank
+    @NotBlank(message = "주유소명을 입력해주세요.")
     @Schema(description = "주유소명", example = "서산주유소A")
     private String name;
 }
diff --git a/src/main/java/com/testcar/car/domains/gasStation/model/UpdateGasStationRequest.java b/src/main/java/com/testcar/car/domains/gasStation/model/UpdateGasStationRequest.java
index 0fb6e09..41668aa 100644
--- a/src/main/java/com/testcar/car/domains/gasStation/model/UpdateGasStationRequest.java
+++ b/src/main/java/com/testcar/car/domains/gasStation/model/UpdateGasStationRequest.java
@@ -7,7 +7,7 @@
 
 @Getter
 public class UpdateGasStationRequest {
-    @NotBlank
+    @NotBlank(message = "주유소명을 입력해주세요.")
     @Schema(description = "주유소명", example = "서산주유소A")
     private String name;
 }
diff --git a/src/main/java/com/testcar/car/domains/gasStationHistory/GasStationHistoryController.java b/src/main/java/com/testcar/car/domains/gasStationHistory/GasStationHistoryController.java
index 4c972fa..5535a2f 100644
--- a/src/main/java/com/testcar/car/domains/gasStationHistory/GasStationHistoryController.java
+++ b/src/main/java/com/testcar/car/domains/gasStationHistory/GasStationHistoryController.java
@@ -37,7 +37,7 @@ public class GasStationHistoryController {
 
     @GetMapping
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[주유소 관리] 주유 이력 조회", description = "주유 이력을 조건에 맞게 조회합니다.")
+    @Operation(summary = "[주유 이력 관리] 주유 이력 조회", description = "주유 이력을 조건에 맞게 조회합니다.")
     public PageResponse<GasStationHistoryResponse> getGasStationHistoriesByCondition(
             @ParameterObject @ModelAttribute GasStationHistoryFilterCondition condition,
             @ParameterObject Pageable pageable) {
@@ -48,7 +48,7 @@ public PageResponse<GasStationHistoryResponse> getGasStationHistoriesByCondition
 
     @GetMapping("/{historyId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[주유소 관리] 주유 이력 상세 조회", description = "주유 이력 상세 정보를 id로 조회합니다.")
+    @Operation(summary = "[주유 이력 관리] 주유 이력 상세 조회", description = "주유 이력 상세 정보를 id로 조회합니다.")
     public GasStationHistoryResponse getGasStationHistoryById(@PathVariable Long historyId) {
         final GasStationHistoryDto dto = gasStationHistoryService.findById(historyId);
         return GasStationHistoryResponse.from(dto);
@@ -56,7 +56,7 @@ public GasStationHistoryResponse getGasStationHistoryById(@PathVariable Long his
 
     @PostMapping
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[주유소 관리] 주유 이력 등록", description = "주유 이력을 등록합니다.")
+    @Operation(summary = "[주유 이력 관리] 주유 이력 등록", description = "주유 이력을 등록합니다.")
     public GasStationHistoryResponse register(
             @AuthMember Member member,
             @Valid @RequestBody RegisterGasStationHistoryRequest request) {
@@ -67,7 +67,7 @@ public GasStationHistoryResponse register(
 
     @PatchMapping("/{gasStationHistoryId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[주유소 관리] 주유 이력 수정", description = "주유 이력을 수정합니다.")
+    @Operation(summary = "[주유 이력 관리] 주유 이력 수정", description = "주유 이력을 수정합니다.")
     public GasStationHistoryResponse update(
             @AuthMember Member member,
             @PathVariable Long gasStationHistoryId,
@@ -79,7 +79,7 @@ public GasStationHistoryResponse update(
 
     @DeleteMapping("/{gasStationHistoryId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[주유소 관리] 주유 이력 삭제", description = "주유 이력을 삭제합니다.")
+    @Operation(summary = "[주유 이력 관리] 주유 이력 삭제", description = "주유 이력을 삭제합니다.")
     public GasStationHistoryResponse delete(
             @AuthMember Member member, @PathVariable Long gasStationHistoryId) {
         final GasStationHistory gasStationHistory =
diff --git a/src/main/java/com/testcar/car/domains/gasStationHistory/model/RegisterGasStationHistoryRequest.java b/src/main/java/com/testcar/car/domains/gasStationHistory/model/RegisterGasStationHistoryRequest.java
index 5a6dfd9..1f81877 100644
--- a/src/main/java/com/testcar/car/domains/gasStationHistory/model/RegisterGasStationHistoryRequest.java
+++ b/src/main/java/com/testcar/car/domains/gasStationHistory/model/RegisterGasStationHistoryRequest.java
@@ -6,6 +6,7 @@
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Positive;
 import java.time.LocalDate;
 import lombok.Getter;
 
@@ -21,11 +22,12 @@ public class RegisterGasStationHistoryRequest {
     private String stockNumber;
 
     @NotNull(message = "주유량을 입력해주세요.")
+    @Positive(message = "주유량은 0보다 커야합니다.")
     @Schema(description = "주유량", example = "100.33")
     private Double amount;
 
-    @NotNull(message = "주유일자를 입력해주세요.")
     @DateFormat
+    @NotNull(message = "주유일자를 입력해주세요.")
     @Schema(description = "주유일자", example = "2021-01-01")
     private LocalDate usedAt;
 }
diff --git a/src/main/java/com/testcar/car/domains/health/HelloController.java b/src/main/java/com/testcar/car/domains/health/HelloController.java
index a2e3996..74d3e92 100644
--- a/src/main/java/com/testcar/car/domains/health/HelloController.java
+++ b/src/main/java/com/testcar/car/domains/health/HelloController.java
@@ -1,10 +1,12 @@
 package com.testcar.car.domains.health;
 
 
+import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 /** server health check 를 수행하는 컨트롤러 */
+@Tag(name = "[Health Check]", description = "서버 상태 체크 API")
 @RestController
 public class HelloController {
     @GetMapping("/")
diff --git a/src/main/java/com/testcar/car/domains/member/Member.java b/src/main/java/com/testcar/car/domains/member/Member.java
index b94b16b..77d9c58 100644
--- a/src/main/java/com/testcar/car/domains/member/Member.java
+++ b/src/main/java/com/testcar/car/domains/member/Member.java
@@ -2,7 +2,7 @@
 
 
 import com.testcar.car.common.entity.BaseEntity;
-import com.testcar.car.domains.department.Department;
+import com.testcar.car.domains.department.entity.Department;
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.EnumType;
diff --git a/src/main/java/com/testcar/car/domains/member/MemberController.java b/src/main/java/com/testcar/car/domains/member/MemberController.java
index 406cfbb..f9cd720 100644
--- a/src/main/java/com/testcar/car/domains/member/MemberController.java
+++ b/src/main/java/com/testcar/car/domains/member/MemberController.java
@@ -9,6 +9,7 @@
 import com.testcar.car.domains.member.model.UpdateMemberRequest;
 import com.testcar.car.domains.member.model.vo.MemberFilterCondition;
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springdoc.core.annotations.ParameterObject;
@@ -24,6 +25,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+@Tag(name = "[사용자 관리]", description = "사용자 관리 API")
 @RestController
 @RequestMapping("/members")
 @RequiredArgsConstructor
@@ -32,14 +34,14 @@ public class MemberController {
 
     @GetMapping("/me")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[사용자 관리] 내 정보", description = "나의 정보를 가져옵니다.")
+    @Operation(summary = "[내 정보] 내 정보", description = "나의 정보를 가져옵니다.")
     public MemberResponse getMe(@AuthMember Member member) {
         return MemberResponse.from(member);
     }
 
     @GetMapping
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[사용자 관리] 사용자 조회 필터", description = "조건에 맞는 모든 사용자를 페이지네이션으로 조회합니다.")
+    @Operation(summary = "[사용자 조회] 사용자 조회 필터", description = "조건에 맞는 모든 사용자를 페이지네이션으로 조회합니다.")
     public PageResponse<MemberResponse> getMembersByCondition(
             @ParameterObject @ModelAttribute MemberFilterCondition condition,
             @ParameterObject Pageable pageable) {
@@ -49,7 +51,7 @@ public PageResponse<MemberResponse> getMembersByCondition(
 
     @GetMapping("/{memberId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[사용자 관리] 사용자 상세 정보", description = "사용자의 상세 정보를 가져옵니다.")
+    @Operation(summary = "[사용자 조회] 사용자 상세 정보", description = "사용자의 상세 정보를 가져옵니다.")
     public MemberResponse getMemberById(@PathVariable Long memberId) {
         final Member member = memberService.findById(memberId);
         return MemberResponse.from(member);
@@ -57,7 +59,7 @@ public MemberResponse getMemberById(@PathVariable Long memberId) {
 
     @PostMapping("/register")
     @RoleAllowed(role = Role.ADMIN)
-    @Operation(summary = "[사용자 관리] 계정 생성", description = "(관리자) 새로운 사용자 계정을 생성합니다.")
+    @Operation(summary = "[계정 생성] 계정 생성", description = "(관리자) 새로운 사용자 계정을 생성합니다.")
     public MemberResponse register(@Valid @RequestBody RegisterMemberRequest request) {
         final Member member = memberService.register(request);
         return MemberResponse.from(member);
@@ -65,7 +67,7 @@ public MemberResponse register(@Valid @RequestBody RegisterMemberRequest request
 
     @PatchMapping("/{memberId}")
     @RoleAllowed(role = Role.ADMIN)
-    @Operation(summary = "[사용자 관리] 사용자 정보 수정", description = "(관리자) 사용자 정보를 수정합니다.")
+    @Operation(summary = "[사용자 조회] 사용자 정보 수정", description = "(관리자) 사용자 정보를 수정합니다.")
     public MemberResponse update(
             @PathVariable Long memberId, @Valid @RequestBody UpdateMemberRequest request) {
         final Member member = memberService.updateById(memberId, request);
@@ -74,7 +76,7 @@ public MemberResponse update(
 
     @DeleteMapping("/{memberId}")
     @RoleAllowed(role = Role.ADMIN)
-    @Operation(summary = "[사용자 관리] 사용자 삭제", description = "(관리자) 사용자를 삭제합니다.")
+    @Operation(summary = "[사용자 조회] 사용자 삭제", description = "(관리자) 사용자를 삭제합니다.")
     public MemberResponse withdraw(@AuthMember Member member, @PathVariable Long memberId) {
         final Member deleteMember = memberService.deleteById(member, memberId);
         return MemberResponse.from(deleteMember);
diff --git a/src/main/java/com/testcar/car/domains/member/MemberService.java b/src/main/java/com/testcar/car/domains/member/MemberService.java
index db9a460..e0ba3d3 100644
--- a/src/main/java/com/testcar/car/domains/member/MemberService.java
+++ b/src/main/java/com/testcar/car/domains/member/MemberService.java
@@ -4,8 +4,8 @@
 import com.testcar.car.common.exception.BadRequestException;
 import com.testcar.car.common.exception.NotFoundException;
 import com.testcar.car.domains.auth.util.PasswordEncoder;
-import com.testcar.car.domains.department.Department;
 import com.testcar.car.domains.department.DepartmentService;
+import com.testcar.car.domains.department.entity.Department;
 import com.testcar.car.domains.member.exception.ErrorCode;
 import com.testcar.car.domains.member.model.RegisterMemberRequest;
 import com.testcar.car.domains.member.model.UpdateMemberRequest;
diff --git a/src/main/java/com/testcar/car/domains/member/model/RegisterMemberRequest.java b/src/main/java/com/testcar/car/domains/member/model/RegisterMemberRequest.java
index f4a6302..b935402 100644
--- a/src/main/java/com/testcar/car/domains/member/model/RegisterMemberRequest.java
+++ b/src/main/java/com/testcar/car/domains/member/model/RegisterMemberRequest.java
@@ -13,26 +13,27 @@
 
 @Getter
 public class RegisterMemberRequest {
-    @NotNull
-    @Positive
+    @NotNull(message = "부서 ID를 입력해주세요.")
+    @Positive(message = "부서 ID는 0보다 커야합니다.")
     @Schema(description = "부서 ID", example = "1")
     private Long departmentId;
 
-    @Email
-    @NotBlank
-    @Length(max = 50)
+    @Length(max = 50, message = "이메일은 50자 이하로 입력해주세요.")
+    @Email(message = "이메일 형식이 올바르지 않습니다.")
+    @NotBlank(message = "이메일을 입력해주세요.")
     @Schema(description = "이메일", example = "kls1998@naver.com")
     private String email;
 
     @Password
+    @NotBlank(message = "비밀번호를 입력해주세요.")
     @Schema(description = "비밀번호", example = "1234abcd@")
     private String password;
 
-    @NotBlank
+    @NotBlank(message = "이름을 입력해주세요.")
     @Schema(description = "이름", example = "홍길동")
     private String name;
 
-    @NotNull
+    @NotNull(message = "권한을 입력해주세요.")
     @Schema(description = "권한", example = "USER", implementation = Role.class)
     private Role role;
 }
diff --git a/src/main/java/com/testcar/car/domains/member/model/UpdateMemberRequest.java b/src/main/java/com/testcar/car/domains/member/model/UpdateMemberRequest.java
index a067280..f351cb2 100644
--- a/src/main/java/com/testcar/car/domains/member/model/UpdateMemberRequest.java
+++ b/src/main/java/com/testcar/car/domains/member/model/UpdateMemberRequest.java
@@ -12,22 +12,22 @@
 
 @Getter
 public class UpdateMemberRequest {
-    @NotNull
-    @Positive
+    @NotNull(message = "부서 ID를 입력해주세요.")
+    @Positive(message = "부서 ID는 0보다 커야합니다.")
     @Schema(description = "부서 ID", example = "1")
     private Long departmentId;
 
-    @Email
-    @NotBlank
-    @Length(max = 50)
+    @Email(message = "이메일 형식이 올바르지 않습니다.")
+    @NotBlank(message = "이메일을 입력해주세요.")
+    @Length(max = 50, message = "이메일은 50자 이하로 입력해주세요.")
     @Schema(description = "이메일", example = "kls1998@naver.com")
     private String email;
 
-    @NotBlank
+    @NotBlank(message = "이름을 입력해주세요.")
     @Schema(description = "이름", example = "홍길동")
     private String name;
 
-    @NotNull
+    @NotNull(message = "권한을 입력해주세요.")
     @Schema(description = "권한", example = "USER", implementation = Role.class)
     private Role role;
 }
diff --git a/src/main/java/com/testcar/car/domains/member/repository/MemberCustomRepositoryImpl.java b/src/main/java/com/testcar/car/domains/member/repository/MemberCustomRepositoryImpl.java
index 7dfc74e..79fb81c 100644
--- a/src/main/java/com/testcar/car/domains/member/repository/MemberCustomRepositoryImpl.java
+++ b/src/main/java/com/testcar/car/domains/member/repository/MemberCustomRepositoryImpl.java
@@ -1,6 +1,6 @@
 package com.testcar.car.domains.member.repository;
 
-import static com.testcar.car.domains.department.QDepartment.department;
+import static com.testcar.car.domains.department.entity.QDepartment.department;
 import static com.testcar.car.domains.member.QMember.member;
 
 import com.querydsl.core.types.dsl.BooleanExpression;
diff --git a/src/main/java/com/testcar/car/domains/track/TrackController.java b/src/main/java/com/testcar/car/domains/track/TrackController.java
index bb72c89..ec81424 100644
--- a/src/main/java/com/testcar/car/domains/track/TrackController.java
+++ b/src/main/java/com/testcar/car/domains/track/TrackController.java
@@ -8,6 +8,7 @@
 import com.testcar.car.domains.track.model.TrackResponse;
 import com.testcar.car.domains.track.model.vo.TrackFilterCondition;
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.validation.Valid;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
@@ -21,6 +22,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+@Tag(name = "[시험장 관리]", description = "시험장 관리 API")
 @RestController
 @RequestMapping("/tracks")
 @RequiredArgsConstructor
@@ -29,7 +31,7 @@ public class TrackController {
 
     @GetMapping
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 시험장 조회", description = "시험장을 조건에 맞게 조회합니다.")
+    @Operation(summary = "[예약] 시험장 조회", description = "시험장을 조건에 맞게 조회합니다.")
     public List<TrackResponse> getTracksByCondition(
             @ParameterObject TrackFilterCondition condition) {
         final List<Track> tracks = trackService.findAllByCondition(condition);
@@ -38,7 +40,7 @@ public List<TrackResponse> getTracksByCondition(
 
     @GetMapping("/{trackId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 시험장 상세 정보", description = "시험장 상세 정보를 가져옵니다.")
+    @Operation(summary = "[예약] 시험장 상세 정보", description = "시험장 상세 정보를 가져옵니다.")
     public TrackResponse getTrackById(@PathVariable Long trackId) {
         final Track track = trackService.findById(trackId);
         return TrackResponse.from(track);
diff --git a/src/main/java/com/testcar/car/domains/track/model/DeleteTrackRequest.java b/src/main/java/com/testcar/car/domains/track/model/DeleteTrackRequest.java
index cee3ef2..103b0ca 100644
--- a/src/main/java/com/testcar/car/domains/track/model/DeleteTrackRequest.java
+++ b/src/main/java/com/testcar/car/domains/track/model/DeleteTrackRequest.java
@@ -2,13 +2,17 @@
 
 
 import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.Valid;
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Positive;
 import java.util.List;
 import lombok.Getter;
 
 @Getter
 public class DeleteTrackRequest {
-    @NotEmpty
+    @NotNull(message = "시험장 ID 리스트를 입력해주세요.")
+    @NotEmpty(message = "시험장 ID 리스트를 입력해주세요.")
     @Schema(description = "시험장 ID 리스트", example = "[1, 2, 3]")
-    private List<Long> ids;
+    private List<@Valid @NotNull @Positive Long> ids;
 }
diff --git a/src/main/java/com/testcar/car/domains/track/model/RegisterTrackRequest.java b/src/main/java/com/testcar/car/domains/track/model/RegisterTrackRequest.java
index 11f53b6..b00031a 100644
--- a/src/main/java/com/testcar/car/domains/track/model/RegisterTrackRequest.java
+++ b/src/main/java/com/testcar/car/domains/track/model/RegisterTrackRequest.java
@@ -10,21 +10,21 @@
 
 @Getter
 public class RegisterTrackRequest {
-    @NotBlank
-    @Length(max = 20)
+    @NotBlank(message = "시험장명을 입력해주세요.")
+    @Length(max = 20, message = "시험장명은 20자 이하로 입력해주세요.")
     @Schema(description = "시험장명", example = "서산주행시험장")
     private String name;
 
-    @NotBlank
+    @NotBlank(message = "위치를 입력해주세요.")
     @Schema(description = "위치", example = "충청남도 서산시 부석면")
     private String location;
 
-    @NotBlank
+    @NotBlank(message = "시험장 특성을 입력해주세요.")
     @Schema(description = "시험장 특성", example = "평지")
     private String description;
 
-    @NotNull
-    @Positive
+    @NotNull(message = "시험장 길이를 입력해주세요.")
+    @Positive(message = "시험장 길이는 0보다 커야합니다.")
     @Schema(description = "길이", example = "100.32")
     private Double length;
 }
diff --git a/src/main/java/com/testcar/car/domains/trackReservation/TrackReservationController.java b/src/main/java/com/testcar/car/domains/trackReservation/TrackReservationController.java
index 78ad272..18cb694 100644
--- a/src/main/java/com/testcar/car/domains/trackReservation/TrackReservationController.java
+++ b/src/main/java/com/testcar/car/domains/trackReservation/TrackReservationController.java
@@ -38,7 +38,7 @@ public class TrackReservationController {
 
     @GetMapping("/reservations")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 내 시험장 예약 이력 조회", description = "나의 시험장 예약 이력을 조건에 맞게 조회합니다.")
+    @Operation(summary = "[예약 이력] 내 시험장 예약 이력 조회", description = "나의 시험장 예약 이력을 조건에 맞게 조회합니다.")
     public List<TrackReservationResponse> getTrackReservationsByCondition(
             @AuthMember Member member, @ParameterObject TrackReservationFilterCondition condition) {
         final List<TrackReservation> trackReservations =
@@ -48,7 +48,7 @@ public List<TrackReservationResponse> getTrackReservationsByCondition(
 
     @GetMapping("/reservations/{trackReservationId}")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 내 시험장 예약 이력 상세 조회", description = "시험장 예약 이력 상세 정보를 조회합니다.")
+    @Operation(summary = "[예약 이력] 내 시험장 예약 이력 상세 조회", description = "시험장 예약 이력 상세 정보를 조회합니다.")
     public TrackReservationDetailResponse getTrackReservationDetailById(
             @AuthMember Member member, @PathVariable Long trackReservationId) {
         final TrackReservation trackReservation =
@@ -58,7 +58,7 @@ public TrackReservationDetailResponse getTrackReservationDetailById(
 
     @GetMapping("/{trackId}/reservations")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 시험장 예약 내역 조회", description = "해당 시험장의 해당 일자에 예약된 내역을 조회합니다.")
+    @Operation(summary = "[예약 이력] 시험장 예약 내역 조회", description = "해당 시험장의 해당 일자에 예약된 내역을 조회합니다.")
     public TrackReservationSlotResponse getTrackReservationsByTrackId(
             @PathVariable Long trackId, @DateTimeFormat(pattern = "yyyy-MM-dd") LocalDate date) {
         final Set<TrackReservationSlot> unavailableReservationSlots =
@@ -68,7 +68,7 @@ public TrackReservationSlotResponse getTrackReservationsByTrackId(
 
     @PostMapping("/{trackId}/reserve")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 시험장 예약", description = "해당 시험장을 예약합니다.")
+    @Operation(summary = "[예약] 시험장 예약", description = "해당 시험장을 예약합니다.")
     public TrackReservationDetailResponse postTrackReservation(
             @AuthMember Member member,
             @PathVariable Long trackId,
@@ -80,7 +80,7 @@ public TrackReservationDetailResponse postTrackReservation(
 
     @DeleteMapping("/reservations/{trackReservationId}/cancel")
     @RoleAllowed(role = Role.USER)
-    @Operation(summary = "[시험장 관리] 시험장 예약 취소", description = "해당 시험장을 예약을 취소합니다.")
+    @Operation(summary = "[예약 이력] 시험장 예약 취소", description = "해당 시험장을 예약을 취소합니다.")
     public TrackReservationDetailResponse postTrackReservation(
             @AuthMember Member member, @PathVariable Long trackReservationId) {
         final TrackReservation trackReservation =
diff --git a/src/main/java/com/testcar/car/domains/trackReservation/model/TrackReservationRequest.java b/src/main/java/com/testcar/car/domains/trackReservation/model/TrackReservationRequest.java
index d9aaa45..99c0ea2 100644
--- a/src/main/java/com/testcar/car/domains/trackReservation/model/TrackReservationRequest.java
+++ b/src/main/java/com/testcar/car/domains/trackReservation/model/TrackReservationRequest.java
@@ -4,6 +4,7 @@
 import com.testcar.car.common.annotation.DateFormat;
 import com.testcar.car.domains.trackReservation.model.vo.ReservationSlotVo;
 import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.Valid;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
 import java.time.LocalDate;
@@ -12,13 +13,13 @@
 
 @Getter
 public class TrackReservationRequest {
-    @NotNull
     @DateFormat
+    @NotNull(message = "예약일자를 입력해주세요.")
     @Schema(description = "예약일자", example = "2021-10-10")
     private LocalDate date;
 
-    @NotNull
-    @NotEmpty
+    @NotNull(message = "예약 시간 리스트를 입력해주세요.")
+    @NotEmpty(message = "예약 시간 리스트를 입력해주세요.")
     @Schema(description = "예약 시간")
-    private List<ReservationSlotVo> reservationSlots;
+    private List<@Valid ReservationSlotVo> reservationSlots;
 }
diff --git a/src/main/java/com/testcar/car/domains/trackReservation/model/vo/ReservationSlotVo.java b/src/main/java/com/testcar/car/domains/trackReservation/model/vo/ReservationSlotVo.java
index be10c67..a4d3d25 100644
--- a/src/main/java/com/testcar/car/domains/trackReservation/model/vo/ReservationSlotVo.java
+++ b/src/main/java/com/testcar/car/domains/trackReservation/model/vo/ReservationSlotVo.java
@@ -4,6 +4,7 @@
 import com.testcar.car.common.annotation.DateTimeFormat;
 import com.testcar.car.domains.trackReservation.entity.TrackReservationSlot;
 import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotNull;
 import java.time.LocalDateTime;
 import lombok.Builder;
 import lombok.Getter;
@@ -12,10 +13,12 @@
 @Builder
 public class ReservationSlotVo {
     @DateTimeFormat
+    @NotNull(message = "예약 시간을 입력해주세요.")
     @Schema(description = "예약 시간", example = "2021-10-10 10:00:00")
     private LocalDateTime startedAt;
 
     @DateTimeFormat
+    @NotNull(message = "예약 시간을 입력해주세요.")
     @Schema(description = "예약 시간", example = "2021-10-10 11:00:00")
     private LocalDateTime expiredAt;