diff --git a/src/main/java/com/example/eightyage/domain/auth/entity/RefreshToken.java b/src/main/java/com/example/eightyage/domain/auth/entity/RefreshToken.java
index 0c98161..fb481c2 100644
--- a/src/main/java/com/example/eightyage/domain/auth/entity/RefreshToken.java
+++ b/src/main/java/com/example/eightyage/domain/auth/entity/RefreshToken.java
@@ -1,5 +1,6 @@
 package com.example.eightyage.domain.auth.entity;
 
+import com.example.eightyage.domain.auth.tokenstate.TokenState;
 import jakarta.persistence.*;
 import lombok.AccessLevel;
 import lombok.Builder;
diff --git a/src/main/java/com/example/eightyage/domain/auth/service/TokenService.java b/src/main/java/com/example/eightyage/domain/auth/service/TokenService.java
index b2c3514..ee0c61e 100644
--- a/src/main/java/com/example/eightyage/domain/auth/service/TokenService.java
+++ b/src/main/java/com/example/eightyage/domain/auth/service/TokenService.java
@@ -10,7 +10,7 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
-import static com.example.eightyage.domain.auth.entity.TokenState.INVALIDATED;
+import static com.example.eightyage.domain.auth.tokenstate.TokenState.INVALIDATED;
 import static com.example.eightyage.global.exception.ErrorMessage.EXPIRED_REFRESH_TOKEN;
 import static com.example.eightyage.global.exception.ErrorMessage.REFRESH_TOKEN_NOT_FOUND;
 
diff --git a/src/main/java/com/example/eightyage/domain/auth/entity/TokenState.java b/src/main/java/com/example/eightyage/domain/auth/tokenstate/TokenState.java
similarity index 50%
rename from src/main/java/com/example/eightyage/domain/auth/entity/TokenState.java
rename to src/main/java/com/example/eightyage/domain/auth/tokenstate/TokenState.java
index 3ec0bd7..c2f358c 100644
--- a/src/main/java/com/example/eightyage/domain/auth/entity/TokenState.java
+++ b/src/main/java/com/example/eightyage/domain/auth/tokenstate/TokenState.java
@@ -1,4 +1,4 @@
-package com.example.eightyage.domain.auth.entity;
+package com.example.eightyage.domain.auth.tokenstate;
 
 public enum TokenState {
     VALID,
diff --git a/src/main/java/com/example/eightyage/domain/product/entity/Product.java b/src/main/java/com/example/eightyage/domain/product/entity/Product.java
index 169b980..5f061f9 100644
--- a/src/main/java/com/example/eightyage/domain/product/entity/Product.java
+++ b/src/main/java/com/example/eightyage/domain/product/entity/Product.java
@@ -7,6 +7,7 @@
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
+import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -37,6 +38,9 @@ public class Product extends TimeStamped {
     @OneToMany(mappedBy = "product")
     private List<Review> reviews = new ArrayList<>();
 
+    @Temporal(TemporalType.TIMESTAMP)
+    private LocalDateTime deletedAt;
+
     @Builder
     public Product(String name, Category category, String content, Integer price, SaleState saleState) {
         this.name = name;
@@ -75,4 +79,8 @@ public void updateSaleState(SaleState newSaleState) {
             this.saleState = newSaleState;
         }
     }
+
+    public void deleteProduct() {
+        this.deletedAt = LocalDateTime.now();
+    }
 }
diff --git a/src/main/java/com/example/eightyage/domain/product/repository/ProductImageRepository.java b/src/main/java/com/example/eightyage/domain/product/repository/ProductImageRepository.java
index a29cc6c..a167757 100644
--- a/src/main/java/com/example/eightyage/domain/product/repository/ProductImageRepository.java
+++ b/src/main/java/com/example/eightyage/domain/product/repository/ProductImageRepository.java
@@ -10,6 +10,6 @@
 
 public interface ProductImageRepository extends JpaRepository<ProductImage, Long> {
 
-    @Query("SELECT pi FROM ProductImage pi WHERE pi.id = :imageId AND pi.deletedAt IS NULL")
+    @Query("SELECT pi FROM ProductImage pi WHERE pi.id = :imageId")
     Optional<ProductImage> findById(Long imageId);
 }
diff --git a/src/main/java/com/example/eightyage/domain/product/service/ProductImageService.java b/src/main/java/com/example/eightyage/domain/product/service/ProductImageService.java
index 2fb20bc..d5ed35e 100644
--- a/src/main/java/com/example/eightyage/domain/product/service/ProductImageService.java
+++ b/src/main/java/com/example/eightyage/domain/product/service/ProductImageService.java
@@ -68,7 +68,7 @@ public String uploadImage(Long productId, MultipartFile file) {
     public void deleteImage(Long imageId) {
         ProductImage findProductImage = findProductImageByIdOrElseThrow(imageId);
 
-        findProductImage.delete();
+        productImageRepository.delete(findProductImage);
     }
 
     public ProductImage findProductImageByIdOrElseThrow(Long imageId){
diff --git a/src/main/java/com/example/eightyage/domain/product/service/ProductService.java b/src/main/java/com/example/eightyage/domain/product/service/ProductService.java
index 9d4e986..052a4a0 100644
--- a/src/main/java/com/example/eightyage/domain/product/service/ProductService.java
+++ b/src/main/java/com/example/eightyage/domain/product/service/ProductService.java
@@ -138,11 +138,9 @@ public void deleteProduct(Long productId) {
         Product findProduct = findProductByIdOrElseThrow(productId);
         List<Review> findReviewList = reviewRepository.findReviewsByProductId(productId);
 
-        for (Review review : findReviewList) {
-            review.delete();
-        }
+        reviewRepository.deleteAll(findReviewList);
 
-        findProduct.delete();
+        findProduct.deleteProduct();
     }
 
     public Product findProductByIdOrElseThrow(Long productId) {
@@ -150,6 +148,4 @@ public Product findProductByIdOrElseThrow(Long productId) {
                 () -> new NotFoundException("해당 제품이 존재하지 않습니다.")
         );
     }
-
-
 }
diff --git a/src/main/java/com/example/eightyage/domain/review/repository/ReviewRepository.java b/src/main/java/com/example/eightyage/domain/review/repository/ReviewRepository.java
index 24716be..fd3bd04 100644
--- a/src/main/java/com/example/eightyage/domain/review/repository/ReviewRepository.java
+++ b/src/main/java/com/example/eightyage/domain/review/repository/ReviewRepository.java
@@ -17,11 +17,11 @@
 @Repository
 public interface ReviewRepository extends JpaRepository<Review, Long> {
 
-    @Query("SELECT r FROM Review r WHERE r.id = :reviewId AND r.deletedAt IS NULL")
+    @Query("SELECT r FROM Review r WHERE r.id = :reviewId")
     Optional<Review> findById(@Param("reviewId") Long reviewId);
 
     Page<Review> findByProductIdAndProductDeletedAtIsNull(Long productId, Pageable pageable);
 
-    @Query("SELECT r FROM Review r JOIN FETCH r.user JOIN FETCH r.product WHERE r.product.id = :productId AND r.deletedAt IS NULL")
+    @Query("SELECT r FROM Review r JOIN FETCH r.user JOIN FETCH r.product WHERE r.product.id = :productId")
     List<Review> findReviewsByProductId(@Param("productId") Long productId);
 }
diff --git a/src/main/java/com/example/eightyage/domain/review/service/ReviewService.java b/src/main/java/com/example/eightyage/domain/review/service/ReviewService.java
index 5230b08..3d025ef 100644
--- a/src/main/java/com/example/eightyage/domain/review/service/ReviewService.java
+++ b/src/main/java/com/example/eightyage/domain/review/service/ReviewService.java
@@ -100,11 +100,11 @@ public void deleteReview(Long userId, Long reviewId) {
         User findUser = userService.findUserByIdOrElseThrow(userId);
         Review findReview = findReviewByIdOrElseThrow(reviewId);
 
-        if(findUser.getId().equals(findReview.getUser().getId())){
-            findReview.delete();
-        } else {
+        if(!findUser.getId().equals(findReview.getUser().getId())){
             throw new UnauthorizedException("리뷰를 삭제할 권한이 없습니다.");
         }
+
+        reviewRepository.delete(findReview);
     }
 
     public Review findReviewByIdOrElseThrow(Long reviewId){
diff --git a/src/main/java/com/example/eightyage/domain/user/entity/User.java b/src/main/java/com/example/eightyage/domain/user/entity/User.java
index f208901..5847eec 100644
--- a/src/main/java/com/example/eightyage/domain/user/entity/User.java
+++ b/src/main/java/com/example/eightyage/domain/user/entity/User.java
@@ -29,6 +29,9 @@ public class User extends TimeStamped {
     @Enumerated(EnumType.STRING)
     private UserRole userRole;
 
+    @Temporal(TemporalType.TIMESTAMP)
+    private LocalDateTime deletedAt;
+
     @Builder
     public User(Long id, String email, String nickname, String password, UserRole userRole) {
         this.id = id;
@@ -48,6 +51,6 @@ public static User fromAuthUser(AuthUser authUser) {
     }
 
     public void deleteUser() {
-        setDeletedAt(LocalDateTime.now());
+        this.deletedAt = LocalDateTime.now();
     }
 }
diff --git a/src/main/java/com/example/eightyage/global/entity/ErrorResponse.java b/src/main/java/com/example/eightyage/global/dto/ErrorResponse.java
similarity index 92%
rename from src/main/java/com/example/eightyage/global/entity/ErrorResponse.java
rename to src/main/java/com/example/eightyage/global/dto/ErrorResponse.java
index 6d9a51d..37382de 100644
--- a/src/main/java/com/example/eightyage/global/entity/ErrorResponse.java
+++ b/src/main/java/com/example/eightyage/global/dto/ErrorResponse.java
@@ -1,4 +1,4 @@
-package com.example.eightyage.global.entity;
+package com.example.eightyage.global.dto;
 
 import lombok.Getter;
 import lombok.NoArgsConstructor;
diff --git a/src/main/java/com/example/eightyage/global/entity/TimeStamped.java b/src/main/java/com/example/eightyage/global/entity/TimeStamped.java
index 27b911b..75063c1 100644
--- a/src/main/java/com/example/eightyage/global/entity/TimeStamped.java
+++ b/src/main/java/com/example/eightyage/global/entity/TimeStamped.java
@@ -23,16 +23,4 @@ public abstract class TimeStamped {
     @Column
     @Temporal(TemporalType.TIMESTAMP)
     private LocalDateTime modifiedAt;
-
-    @Column
-    @Temporal(TemporalType.TIMESTAMP)
-    private LocalDateTime deletedAt;
-
-    public void delete() {
-        this.deletedAt = LocalDateTime.now();
-    }
-
-    public void setDeletedAt(LocalDateTime deletedAt) {
-        this.deletedAt = deletedAt;
-    }
 }
diff --git a/src/main/java/com/example/eightyage/global/exception/BadRequestException.java b/src/main/java/com/example/eightyage/global/exception/BadRequestException.java
index e6ae476..ef8afb4 100644
--- a/src/main/java/com/example/eightyage/global/exception/BadRequestException.java
+++ b/src/main/java/com/example/eightyage/global/exception/BadRequestException.java
@@ -1,6 +1,6 @@
 package com.example.eightyage.global.exception;
 
-public class BadRequestException extends CustomException {
+public class BadRequestException extends HandledException {
 
     public BadRequestException() {
         super(ErrorCode.BAD_REQUEST);
diff --git a/src/main/java/com/example/eightyage/global/exception/ForbiddenException.java b/src/main/java/com/example/eightyage/global/exception/ForbiddenException.java
index 3cd553e..9d500a9 100644
--- a/src/main/java/com/example/eightyage/global/exception/ForbiddenException.java
+++ b/src/main/java/com/example/eightyage/global/exception/ForbiddenException.java
@@ -1,6 +1,6 @@
 package com.example.eightyage.global.exception;
 
-public class ForbiddenException extends CustomException {
+public class ForbiddenException extends HandledException {
 
     public ForbiddenException() {
         super(ErrorCode.FORBIDDEN);
diff --git a/src/main/java/com/example/eightyage/global/exception/GlobalExceptionHandler.java b/src/main/java/com/example/eightyage/global/exception/GlobalExceptionHandler.java
index 62af117..1afcdac 100644
--- a/src/main/java/com/example/eightyage/global/exception/GlobalExceptionHandler.java
+++ b/src/main/java/com/example/eightyage/global/exception/GlobalExceptionHandler.java
@@ -1,6 +1,6 @@
 package com.example.eightyage.global.exception;
 
-import com.example.eightyage.global.entity.ErrorResponse;
+import com.example.eightyage.global.dto.ErrorResponse;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -20,8 +20,8 @@
 @RestControllerAdvice
 public class GlobalExceptionHandler {
 
-    @ExceptionHandler(CustomException.class)
-    public ResponseEntity<ErrorResponse<String>> invalidRequestExceptionException(CustomException ex) {
+    @ExceptionHandler(HandledException.class)
+    public ResponseEntity<ErrorResponse<String>> invalidRequestExceptionException(HandledException ex) {
         HttpStatus httpStatus = ex.getHttpStatus();
         return new ResponseEntity<>(ErrorResponse.of(httpStatus, ex.getMessage()), ex.getHttpStatus());
     }
diff --git a/src/main/java/com/example/eightyage/global/exception/CustomException.java b/src/main/java/com/example/eightyage/global/exception/HandledException.java
similarity index 76%
rename from src/main/java/com/example/eightyage/global/exception/CustomException.java
rename to src/main/java/com/example/eightyage/global/exception/HandledException.java
index 1bc3086..ae7ce25 100644
--- a/src/main/java/com/example/eightyage/global/exception/CustomException.java
+++ b/src/main/java/com/example/eightyage/global/exception/HandledException.java
@@ -4,20 +4,20 @@
 import org.springframework.http.HttpStatus;
 
 @Getter
-public class CustomException extends RuntimeException {
+public class HandledException extends RuntimeException {
 
     private final HttpStatus httpStatus;
     private final String message;
 
     // 예외 던질시 기본 메세지 출력
-    public CustomException(ErrorCode errorCode) {
+    public HandledException(ErrorCode errorCode) {
         super(errorCode.getDefaultMessage());
         this.httpStatus = errorCode.getStatus();
         this.message = errorCode.getDefaultMessage();
     }
 
     // 예외 던질시 메세지 출력
-    public CustomException(ErrorCode errorCode, String message) {
+    public HandledException(ErrorCode errorCode, String message) {
         super(message);
         this.httpStatus = errorCode.getStatus();
         this.message = message;
diff --git a/src/main/java/com/example/eightyage/global/exception/NotFoundException.java b/src/main/java/com/example/eightyage/global/exception/NotFoundException.java
index 9233a87..d3a2cc9 100644
--- a/src/main/java/com/example/eightyage/global/exception/NotFoundException.java
+++ b/src/main/java/com/example/eightyage/global/exception/NotFoundException.java
@@ -1,6 +1,6 @@
 package com.example.eightyage.global.exception;
 
-public class NotFoundException extends CustomException {
+public class NotFoundException extends HandledException {
     public NotFoundException() {
         super(ErrorCode.NOT_FOUND);
     }
diff --git a/src/main/java/com/example/eightyage/global/exception/UnauthorizedException.java b/src/main/java/com/example/eightyage/global/exception/UnauthorizedException.java
index a347954..2409f33 100644
--- a/src/main/java/com/example/eightyage/global/exception/UnauthorizedException.java
+++ b/src/main/java/com/example/eightyage/global/exception/UnauthorizedException.java
@@ -1,6 +1,6 @@
 package com.example.eightyage.global.exception;
 
-public class UnauthorizedException extends CustomException {
+public class UnauthorizedException extends HandledException {
 
   public UnauthorizedException() {
     super(ErrorCode.AUTHORIZATION);
diff --git a/src/test/java/com/example/eightyage/domain/auth/service/TokenServiceTest.java b/src/test/java/com/example/eightyage/domain/auth/service/TokenServiceTest.java
index 8e9492f..584784f 100644
--- a/src/test/java/com/example/eightyage/domain/auth/service/TokenServiceTest.java
+++ b/src/test/java/com/example/eightyage/domain/auth/service/TokenServiceTest.java
@@ -17,7 +17,7 @@
 
 import java.util.Optional;
 
-import static com.example.eightyage.domain.auth.entity.TokenState.INVALIDATED;
+import static com.example.eightyage.domain.auth.tokenstate.TokenState.INVALIDATED;
 import static com.example.eightyage.global.exception.ErrorMessage.EXPIRED_REFRESH_TOKEN;
 import static com.example.eightyage.global.exception.ErrorMessage.REFRESH_TOKEN_NOT_FOUND;
 import static org.junit.jupiter.api.Assertions.*;
@@ -120,7 +120,7 @@ public void setUp() {
         RefreshToken mockRefreshToken = mock(RefreshToken.class);
 
         given(refreshTokenRepository.findByToken(any(String.class))).willReturn(Optional.of(mockRefreshToken));
-        given(userService.findUserByIdOrElseThrow(mockRefreshToken.getUserId())).willReturn(user);
+        given(userService.findUserByIdOrElseThrow(anyLong())).willReturn(user);
 
         // when
         User result = tokenService.reissueToken(refreshToken);