diff --git a/puzzlingServer/src/main/java/com/puzzling/puzzlingServer/api/project/service/Impl/ProjectServiceImpl.java b/puzzlingServer/src/main/java/com/puzzling/puzzlingServer/api/project/service/Impl/ProjectServiceImpl.java
index 9a70936..038dcdf 100644
--- a/puzzlingServer/src/main/java/com/puzzling/puzzlingServer/api/project/service/Impl/ProjectServiceImpl.java
+++ b/puzzlingServer/src/main/java/com/puzzling/puzzlingServer/api/project/service/Impl/ProjectServiceImpl.java
@@ -53,6 +53,11 @@ public ProjectVerifyResponseDto verifyProjectCode(String invitationCode) {
     @Transactional
     public List<ProjectResponseDto> getProjectAll(Long memberId) {
         List<UserProject> userProjects = userProjectRepository.findAllByMemberIdOrderByCreatedAtDesc(memberId);
+
+        if (userProjects.isEmpty()) {
+            throw new NotFoundException(ErrorStatus.NOT_FOUND_USER_PROJECT.getMessage());
+        }
+
         return userProjects.stream()
                 .flatMap(userProject -> projectRepository.findAllById(userProject.getProject().getId()).stream())
                 .map(project -> ProjectResponseDto.of(project))
@@ -70,6 +75,10 @@ public ProjectOwnPuzzleResponseDto getMyPuzzles(Long memberId, Long projectId, S
         Page<Review> pageReviews = reviewRepository.findTop15ByMemberIdAndProjectId(memberId, projectId, pageable);
         List<Review> top15Reviews = pageReviews.getContent();
 
+        if (top15Reviews.isEmpty()) {
+            throw new NotFoundException(ErrorStatus.NOT_FOUND_USER_PROJECT.getMessage());
+        }
+
         Boolean isReviewDay = checkTodayIsReviewDay(today, findProjectById(projectId).getReviewCycle());
         Boolean hasTodayReview = reviewRepository.existsReviewByReviewDate(today);
 
@@ -223,7 +232,7 @@ private String getReviewMemberPercent(Long projectId, int reviewCount) {
 
     private Member findMemberById(Long memberId) {
         return memberRepository.findById(memberId)
-                .orElseThrow(() -> new BadRequestException(ErrorStatus.INVALID_MEMBER.getMessage()));
+                .orElseThrow(() -> new NotFoundException(ErrorStatus.NOT_FOUND_MEMBER.getMessage()));
     }
 
     private Project findProjectById(Long projectId) {
diff --git a/puzzlingServer/src/main/java/com/puzzling/puzzlingServer/common/response/ErrorStatus.java b/puzzlingServer/src/main/java/com/puzzling/puzzlingServer/common/response/ErrorStatus.java
index 5c0c16a..182f0cb 100644
--- a/puzzlingServer/src/main/java/com/puzzling/puzzlingServer/common/response/ErrorStatus.java
+++ b/puzzlingServer/src/main/java/com/puzzling/puzzlingServer/common/response/ErrorStatus.java
@@ -15,6 +15,7 @@ public enum ErrorStatus {
     VALIDATION_REQUEST_MISSING_EXCEPTION("요청값이 입력되지 않았습니다."),
     VALIDATION_NAMING_EXCEPTION("이모지 및 특수기호 입력은 불가능합니다. 제외하여 입력해 주세요."),
     NO_TOKEN("토큰을 넣어주세요."),
+    INVALID_MEMBER("유효하지 않은 유저입니다."),
     ANOTHER_ACCESS_TOKEN("지원하지 않는 소셜 플랫폼입니다."),
     VALIDATION_PATH_MISSING_EXCEPTION("요청하는 path에 넘겨주는 variable이 입력되지 않았습니다."),
 
@@ -22,7 +23,6 @@ public enum ErrorStatus {
      * 401 UNAUTHORIZED
      */
     UNAUTHORIZED_TOKEN("유효하지 않은 토큰입니다."),
-    INVALID_MEMBER("유효하지 않은 유저입니다."),
     KAKAO_UNAUTHORIZED_USER("카카오 로그인 실패. 만료되었거나 잘못된 카카오 토큰입니다."),
     SIGNIN_REQUIRED("access, refreshToken 모두 만료되었습니다. 재로그인이 필요합니다."),
     VALID_ACCESS_TOKEN("아직 유효한 accessToken 입니다."),
@@ -32,6 +32,8 @@ public enum ErrorStatus {
      */
     NOT_FOUND_PROJECT_CODE("유효하지 않은 초대코드에요. 코드를 확인해 주세요."),
     NOT_FOUND_PROJECT("해당하는 프로젝트가 없습니다"),
+    NOT_FOUND_MEMBER("해당하는 유저가 없습니다."),
+    NOT_FOUND_USER_PROJECT("해당하는 멤버가 참여하는 프로젝트가 아닙니다."),
 
 
     /**