diff --git a/src/main/java/com/example/Jinus/service/v2/cafeteria/CafeteriaServiceV2.java b/src/main/java/com/example/Jinus/service/v2/cafeteria/CafeteriaServiceV2.java
index 920fb43..1a88646 100644
--- a/src/main/java/com/example/Jinus/service/v2/cafeteria/CafeteriaServiceV2.java
+++ b/src/main/java/com/example/Jinus/service/v2/cafeteria/CafeteriaServiceV2.java
@@ -45,7 +45,7 @@ public String campusOrCafeteria(int campusId, int sysCampusId) {
     }
 
     // 식당 리스트 반환 메소드
-    public String makeCafeteriaListCard(int campusId) {
+    private String makeCafeteriaListCard(int campusId) {
         String campusName = campusServiceV2.getUserCampusName(campusId);
         List<CafeteriaDto> cafeteriaList = cacheServiceV2.getCafeteriaList(campusId);
 
@@ -59,7 +59,7 @@ public String makeCafeteriaListCard(int campusId) {
 
 
     // 식당 리스트 객체 생성
-    public List<ListItemDto> mappingCafeteriaList(String campusName, List<CafeteriaDto> cafeteriaList) {
+    private List<ListItemDto> mappingCafeteriaList(String campusName, List<CafeteriaDto> cafeteriaList) {
         List<ListItemDto> listItems = new ArrayList<>();
         for (CafeteriaDto  cafeteria : cafeteriaList) {
             String userMessage = campusName + " " + cafeteria.getCafeteriaNameKo();
@@ -74,7 +74,7 @@ public List<ListItemDto> mappingCafeteriaList(String campusName, List<CafeteriaD
 
 
     // 더보기 버튼 리스트 생성
-    public List<ButtonDto> mappingButtonDto() {
+    private List<ButtonDto> mappingButtonDto() {
         List<ButtonDto> buttonDto = new ArrayList<>();
         Map<String, Object> extra = new HashMap<>();
         extra.put("sys_campus_id", -1);
diff --git a/src/main/java/com/example/Jinus/service/v2/cafeteria/CampusServiceV2.java b/src/main/java/com/example/Jinus/service/v2/cafeteria/CampusServiceV2.java
index a4ceeb9..eb61f20 100644
--- a/src/main/java/com/example/Jinus/service/v2/cafeteria/CampusServiceV2.java
+++ b/src/main/java/com/example/Jinus/service/v2/cafeteria/CampusServiceV2.java
@@ -48,7 +48,7 @@ public String makeCampusListCard() {
     }
 
     // 캠퍼스 리스트 객체 생성
-    public List<ListItemDto> mappingCampusList(List<CampusEntity> campusList) {
+    private List<ListItemDto> mappingCampusList(List<CampusEntity> campusList) {
         List<ListItemDto> listItems = new ArrayList<>();
         for (CampusEntity campus : campusList) {
             String campusName = campus.getCampusNameKo();
diff --git a/src/main/java/com/example/Jinus/service/v2/cafeteria/DietServiceV2.java b/src/main/java/com/example/Jinus/service/v2/cafeteria/DietServiceV2.java
index ad6a88e..641ce81 100644
--- a/src/main/java/com/example/Jinus/service/v2/cafeteria/DietServiceV2.java
+++ b/src/main/java/com/example/Jinus/service/v2/cafeteria/DietServiceV2.java
@@ -68,7 +68,7 @@ private Optional<String> extractValue(DetailParamsItemFieldDto fieldDto) {
 
 
     // response 생성 로직
-    public String makeResponse(HandleRequestDto parameters) {
+    private String makeResponse(HandleRequestDto parameters) {
         int campusId = campusServiceV2.getCampusId(parameters.getCampusName());
         int cafeteriaId = cafeteriaServiceV2.getCafeteriaId(parameters.getCafeteriaName(), campusId);
 
@@ -112,7 +112,7 @@ private int checkThereIsDiet(HandleRequestDto parameters, int cafeteriaId) {
 
 
     // 카테고리별 메뉴 리스트 생성하기
-    public MultiValueMap<String, String> getDiets(HandleRequestDto parameters, int cafeteriaId) {
+    private MultiValueMap<String, String> getDiets(HandleRequestDto parameters, int cafeteriaId) {
         List<DietDto> dietDtos = dietCacheServiceV2.getDietList(parameters, cafeteriaId);
         MultiValueMap<String, String> dietList = new LinkedMultiValueMap<>(); // 중복 키 허용(값을 리스트로 반환)
 
@@ -128,7 +128,7 @@ public MultiValueMap<String, String> getDiets(HandleRequestDto parameters, int c
 
 
     // 카테고리별 메뉴 문자열로 나열하기
-    public StringBuilder processDietList(MultiValueMap<String, String> dietList) {
+    private StringBuilder processDietList(MultiValueMap<String, String> dietList) {
         // 키 추출
         Set<String> keys = new TreeSet<>(dietList.keySet()); // 순서 보장 - 오름차순
         StringBuilder description = new StringBuilder();
@@ -163,7 +163,7 @@ private String makeContents(HandleRequestDto parameters, int cafeteriaId, String
     }
 
     // 응답 객체 매핑
-    public String mappingResponse(HandleRequestDto parameters, String imgUrl, String title, String description) {
+    private String mappingResponse(HandleRequestDto parameters, String imgUrl, String title, String description) {
         // imgUrl 객체 생성
         ThumbnailDto thumbnail = new ThumbnailDto(imgUrl);
 
@@ -214,7 +214,7 @@ private QuickReplyDto createQuickReply(String period, HandleRequestDto parameter
 
     // 일반 파라미터 값 채우기
     // sys_campus_name 파라미터 초기화
-    public String getCampusName(String kakaoId) {
+    private String getCampusName(String kakaoId) {
         // 학과 등록 여부 확인
         int campusId = userServiceV2.getUserCampusId(kakaoId);
         // 학과 등록한 경우 campusId가 존재함
@@ -226,7 +226,7 @@ public String getCampusName(String kakaoId) {
     }
 
     // sys_date 파라미터 초기화 - 시간 범위에 따라 오늘, 내일 판별
-    public String getDay(LocalTime time) {
+    private String getDay(LocalTime time) {
         if (time.isAfter(LocalTime.parse("00:00:00")) && time.isBefore(LocalTime.parse("19:00:00"))) {
             return "오늘";
         } else {
@@ -235,7 +235,7 @@ public String getDay(LocalTime time) {
     }
 
     // sys_period 파라미터 초기화 - 시간 범위에 따라 아침, 점심, 저녁을 판별
-    public static String getPeriodOfDay(LocalTime time) {
+    private String getPeriodOfDay(LocalTime time) {
         if (time.isAfter(LocalTime.parse("19:00:00")) || time.isBefore(LocalTime.parse("09:30:00"))) {
             return "아침";
         } else if (!time.isBefore(LocalTime.parse("09:30:00")) && time.isBefore(LocalTime.parse("13:30:00"))) {
@@ -246,7 +246,7 @@ public static String getPeriodOfDay(LocalTime time) {
     }
 
     // 현재 시간 출력 함수
-    public LocalTime getCurrentTime() {
+    private LocalTime getCurrentTime() {
         LocalDateTime currentDateTime = LocalDateTime.now(ZoneId.of("Asia/Seoul"));
         String[] dateTimeParts = currentDateTime.toString().split("T");
         String[] timeSplit = dateTimeParts[1].split("\\.");
@@ -256,7 +256,7 @@ public LocalTime getCurrentTime() {
 
 
     // sysDay 파라미터 값으로 조회할 날짜 찾는 함수
-    public Date getCurrentDate(String sysDate) {
+    private Date getCurrentDate(String sysDate) {
         // 현재 날짜
         LocalDate today = LocalDate.now();
         LocalDate tomorrow = today.plusDays(1); // 하루 뒤 날짜 계산
diff --git a/src/main/java/com/example/Jinus/service/v2/notice/NoticeServiceV2.java b/src/main/java/com/example/Jinus/service/v2/notice/NoticeServiceV2.java
index 4d9a832..6074534 100644
--- a/src/main/java/com/example/Jinus/service/v2/notice/NoticeServiceV2.java
+++ b/src/main/java/com/example/Jinus/service/v2/notice/NoticeServiceV2.java
@@ -44,7 +44,7 @@ public String doesNotExistUserReturnBlock() {
     }
 
     // 공지가 존재하는 경우
-    public String mappingCarouselItems(List<NoticeCategoryEntity> categoryEntities, String departmentEng) {
+    private String mappingCarouselItems(List<NoticeCategoryEntity> categoryEntities, String departmentEng) {
         // 카테고리 리스트 생성 (캐로셀 아이템 리스트)
         List<CarouselItemDto> categoryList = new ArrayList<>();
         for (NoticeCategoryEntity entity : categoryEntities) {
@@ -69,7 +69,7 @@ public String mappingCarouselItems(List<NoticeCategoryEntity> categoryEntities,
     }
 
     // 공지가 존재하지 않는 경우 예외처리
-    public String thereIsNoCategory() {
+    private String thereIsNoCategory() {
         List<ButtonDto> buttonList = new ArrayList<>();
         ButtonDto buttonDto = new ButtonDto("게시판 등록 요청", "webLink", "https://forms.gle/cSMheFmmGDe7P3RD6");
         buttonList.add(buttonDto);
@@ -83,7 +83,7 @@ public List<ListItemDto> getNoticeList(int categoryId, String mi, String bbsId,
     }
 
     // 공지 아이템 리스트 dto 매핑
-    public List<ListItemDto> makeNoticeItemList(List<NoticeEntity> noticeEntities,
+    private List<ListItemDto> makeNoticeItemList(List<NoticeEntity> noticeEntities,
                                    String mi, String bbsId, String departmentEng) {
         List<ListItemDto> noticeItems = new ArrayList<>();
 
@@ -99,7 +99,7 @@ public List<ListItemDto> makeNoticeItemList(List<NoticeEntity> noticeEntities,
     }
 
     // 아이템 버튼 생성
-    public List<ButtonDto> makeButton(String departmentEng, String mi, String bbsId) {
+    private List<ButtonDto> makeButton(String departmentEng, String mi, String bbsId) {
         List<ButtonDto> buttons = new ArrayList<>();
         ButtonDto button = new ButtonDto("더보기", "webLink", noticeCategoryUrl(departmentEng, mi, bbsId));
         buttons.add(button);
@@ -113,7 +113,7 @@ public String noticeDetailUrl(String departmentEng, String mi, String bbsId, int
     }
 
     // 공지 카테고리 주소
-    public String noticeCategoryUrl(String departmentEng, String mi, String bbsId) {
+    private String noticeCategoryUrl(String departmentEng, String mi, String bbsId) {
         String baseUrl = "https://www.gnu.ac.kr/" + departmentEng + "/na/ntt/selectNttList.do?";
         return baseUrl + "mi=" + mi + "&bbsId=" + bbsId;
     }