diff --git a/src/main/java/usw/suwiki/domain/admin/service/AdminBusinessService.java b/src/main/java/usw/suwiki/domain/admin/service/AdminBusinessService.java
index eabe46c5..0cbbbba2 100644
--- a/src/main/java/usw/suwiki/domain/admin/service/AdminBusinessService.java
+++ b/src/main/java/usw/suwiki/domain/admin/service/AdminBusinessService.java
@@ -1,10 +1,22 @@
 package usw.suwiki.domain.admin.service;
 
+import static usw.suwiki.global.exception.ExceptionType.PASSWORD_ERROR;
+import static usw.suwiki.global.exception.ExceptionType.USER_RESTRICTED;
+import static usw.suwiki.global.util.apiresponse.ApiResponseFactory.successCapitalFlag;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 import lombok.RequiredArgsConstructor;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
-import usw.suwiki.domain.admin.controller.dto.UserAdminRequestDto.*;
+import usw.suwiki.domain.admin.controller.dto.UserAdminRequestDto.EvaluatePostBlacklistForm;
+import usw.suwiki.domain.admin.controller.dto.UserAdminRequestDto.EvaluatePostNoProblemForm;
+import usw.suwiki.domain.admin.controller.dto.UserAdminRequestDto.EvaluatePostRestrictForm;
+import usw.suwiki.domain.admin.controller.dto.UserAdminRequestDto.ExamPostBlacklistForm;
+import usw.suwiki.domain.admin.controller.dto.UserAdminRequestDto.ExamPostNoProblemForm;
+import usw.suwiki.domain.admin.controller.dto.UserAdminRequestDto.ExamPostRestrictForm;
 import usw.suwiki.domain.admin.controller.dto.UserAdminResponseDto.LoadAllReportedPostForm;
 import usw.suwiki.domain.blacklistdomain.service.BlacklistDomainCRUDService;
 import usw.suwiki.domain.evaluatepost.domain.EvaluatePost;
@@ -23,14 +35,6 @@
 import usw.suwiki.global.exception.errortype.AccountException;
 import usw.suwiki.global.jwt.JwtAgent;
 
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import static usw.suwiki.global.exception.ExceptionType.PASSWORD_ERROR;
-import static usw.suwiki.global.exception.ExceptionType.USER_RESTRICTED;
-import static usw.suwiki.global.util.apiresponse.ApiResponseFactory.successCapitalFlag;
-
 @Service
 @Transactional
 @RequiredArgsConstructor
@@ -54,9 +58,9 @@ public Map<String, String> executeAdminLogin(LoginForm loginForm) {
         if (user.validatePassword(bCryptPasswordEncoder, loginForm.password())) {
             if (user.getRole().getKey().equals(Role.ADMIN.getKey())) {
 
-                final int userCount = userCRUDService.findAllUsersSize();
-                final int userIsolationCount = userIsolationCRUDService.findAllIsolationUsersSize();
-                final int totalUserCount = userCount + userIsolationCount;
+                final long userCount = userCRUDService.countAllUsers();
+                final long userIsolationCount = userIsolationCRUDService.countAllIsolatedUsers();
+                final long totalUserCount = userCount + userIsolationCount;
 
                 return new HashMap<>() {{
                     put("AccessToken", jwtAgent.createAccessToken(user));
diff --git a/src/main/java/usw/suwiki/domain/user/user/service/UserCRUDService.java b/src/main/java/usw/suwiki/domain/user/user/service/UserCRUDService.java
index 90b9b3ea..c351695c 100644
--- a/src/main/java/usw/suwiki/domain/user/user/service/UserCRUDService.java
+++ b/src/main/java/usw/suwiki/domain/user/user/service/UserCRUDService.java
@@ -1,5 +1,11 @@
 package usw.suwiki.domain.user.user.service;
 
+import static usw.suwiki.global.exception.ExceptionType.USER_NOT_EXISTS;
+import static usw.suwiki.global.exception.ExceptionType.USER_NOT_FOUND;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Optional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -7,13 +13,6 @@
 import usw.suwiki.domain.user.user.repository.UserRepository;
 import usw.suwiki.global.exception.errortype.AccountException;
 
-import java.time.LocalDateTime;
-import java.util.List;
-import java.util.Optional;
-
-import static usw.suwiki.global.exception.ExceptionType.USER_NOT_EXISTS;
-import static usw.suwiki.global.exception.ExceptionType.USER_NOT_FOUND;
-
 @Service
 @RequiredArgsConstructor
 @Transactional
@@ -73,8 +72,8 @@ private User convertOptionalUserToDomainUser(Optional<User> optionalUser) {
     }
 
     @Transactional(readOnly = true)
-    public int findAllUsersSize() {
-        return userRepository.findAll().size();
+    public long countAllUsers() {
+        return userRepository.count();
     }
 
     public void deleteFromUserIdx(Long userIdx) {
diff --git a/src/main/java/usw/suwiki/domain/user/userIsolation/service/UserIsolationCRUDService.java b/src/main/java/usw/suwiki/domain/user/userIsolation/service/UserIsolationCRUDService.java
index 4067e620..2b2896e7 100644
--- a/src/main/java/usw/suwiki/domain/user/userIsolation/service/UserIsolationCRUDService.java
+++ b/src/main/java/usw/suwiki/domain/user/userIsolation/service/UserIsolationCRUDService.java
@@ -1,20 +1,17 @@
 package usw.suwiki.domain.user.userIsolation.service;
 
+import static usw.suwiki.global.exception.ExceptionType.USER_NOT_EXISTS;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Optional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
-import usw.suwiki.domain.user.user.User;
 import usw.suwiki.domain.user.userIsolation.UserIsolation;
 import usw.suwiki.domain.user.userIsolation.repository.UserIsolationRepository;
 import usw.suwiki.global.exception.errortype.AccountException;
 
-import java.time.LocalDateTime;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Optional;
-
-import static usw.suwiki.global.exception.ExceptionType.USER_NOT_EXISTS;
-
 @Service
 @RequiredArgsConstructor
 @Transactional
@@ -62,8 +59,8 @@ public UserIsolation loadUserFromEmail(String email) {
     }
 
     @Transactional(readOnly = true)
-    public int findAllIsolationUsersSize() {
-        return userIsolationRepository.findAll().size();
+    public long countAllIsolatedUsers() {
+        return userIsolationRepository.count();
     }
 
     public void deleteByUserIdx(Long userIdx) {