diff --git a/src/main/java/com/yello/server/domain/admin/controller/AdminController.java b/src/main/java/com/yello/server/domain/admin/controller/AdminController.java
index 2c75ee71..e6ba2ccb 100644
--- a/src/main/java/com/yello/server/domain/admin/controller/AdminController.java
+++ b/src/main/java/com/yello/server/domain/admin/controller/AdminController.java
@@ -61,7 +61,7 @@ public BaseResponse<AdminUserResponse> getUserAdmin(@AccessTokenUser User user,
         @RequestParam Integer page,
         @Nullable @RequestParam String field,
         @Nullable @RequestParam String value) {
-        val data = (field==null && value==null)
+        val data = (field == null && value == null)
             ? adminService.findUser(user.getId(), createPageableLimitTen(page))
             : adminService.findUserContaining(user.getId(), createPageableLimitTen(page),
                 field, value);
@@ -92,7 +92,7 @@ public BaseResponse deleteUser(@AccessTokenUser User user, @RequestParam Long us
     public BaseResponse<AdminCooldownResponse> getCooldownAdmin(@AccessTokenUser User user,
         @RequestParam Integer page,
         @Nullable @RequestParam String yelloId) {
-        val data = yelloId==null
+        val data = yelloId == null
             ? adminService.findCooldown(user.getId(), createPageableLimitTen(page))
             : adminService.findCooldownContaining(user.getId(), createPageableLimitTen(page),
                 yelloId);
@@ -136,11 +136,10 @@ public BaseResponse deleteQuestion(@AccessTokenUser User user, @RequestParam Lon
     }
 
     @PostMapping("/notification")
-    public BaseResponse postCustomNotificationSendAdmin(@AccessTokenUser User user,
+    public BaseResponse<EmptyObject> postCustomNotificationSendAdmin(@AccessTokenUser User user,
         @RequestBody NotificationCustomMessage request) {
+        val data = notificationService.adminSendCustomNotification(user.getId(), request);
 
-        notificationService.sendCustomNotification(request);
-
-        return BaseResponse.success(CREATE_VOTE_SUCCESS);
+        return BaseResponse.success(CREATE_VOTE_SUCCESS, data);
     }
 }
diff --git a/src/main/java/com/yello/server/domain/admin/service/AdminService.java b/src/main/java/com/yello/server/domain/admin/service/AdminService.java
index 8b04c535..5f07c431 100644
--- a/src/main/java/com/yello/server/domain/admin/service/AdminService.java
+++ b/src/main/java/com/yello/server/domain/admin/service/AdminService.java
@@ -98,7 +98,7 @@ public AdminUserResponse findUserContaining(Long adminId, Pageable page, String
         Long totalCount = 0L;
         List<AdminUserContentVO> list = new ArrayList<>();
 
-        if (field==null || value==null) {
+        if (field == null || value == null) {
             throw new UserAdminBadRequestException(USER_ADMIN_BAD_REQUEST_EXCEPTION);
         } else if (field.equals("yelloId")) {
             totalCount = userRepository.countAllByYelloIdContaining(value);
diff --git a/src/main/java/com/yello/server/infrastructure/firebase/service/NotificationFcmService.java b/src/main/java/com/yello/server/infrastructure/firebase/service/NotificationFcmService.java
index d7c87dbd..c92a36f6 100644
--- a/src/main/java/com/yello/server/infrastructure/firebase/service/NotificationFcmService.java
+++ b/src/main/java/com/yello/server/infrastructure/firebase/service/NotificationFcmService.java
@@ -1,10 +1,12 @@
 package com.yello.server.infrastructure.firebase.service;
 
 import com.google.firebase.messaging.Message;
+import com.yello.server.domain.admin.repository.UserAdminRepository;
 import com.yello.server.domain.friend.entity.Friend;
 import com.yello.server.domain.user.entity.User;
 import com.yello.server.domain.user.repository.UserRepository;
 import com.yello.server.domain.vote.entity.Vote;
+import com.yello.server.global.common.dto.EmptyObject;
 import com.yello.server.infrastructure.firebase.dto.request.NotificationCustomMessage;
 import com.yello.server.infrastructure.firebase.dto.request.NotificationMessage;
 import com.yello.server.infrastructure.firebase.manager.FCMManager;
@@ -24,13 +26,14 @@ public class NotificationFcmService implements NotificationService {
     private final UserRepository userRepository;
     private final TokenRepository tokenRepository;
     private final FCMManager fcmManager;
+    private final UserAdminRepository userAdminRepository;
 
     @Override
     public void sendRecommendNotification(User user, User target) {
         NotificationMessage notificationMessage =
             NotificationMessage.toRecommendNotificationContent(user);
 
-        if (target.getDeviceToken()!=null && !Objects.equals(target.getDeviceToken(), "")) {
+        if (target.getDeviceToken() != null && !Objects.equals(target.getDeviceToken(), "")) {
             final Message message =
                 fcmManager.createMessage(target.getDeviceToken(), notificationMessage);
             fcmManager.send(message);
@@ -46,7 +49,7 @@ public void sendYelloNotification(Vote vote) {
 
         final String path = "/api/v1/vote/" + vote.getId().toString();
 
-        if (receiver.getDeviceToken()!=null && !Objects.equals(receiver.getDeviceToken(), "")) {
+        if (receiver.getDeviceToken() != null && !Objects.equals(receiver.getDeviceToken(), "")) {
             final Message message =
                 fcmManager.createMessage(receiver.getDeviceToken(), notificationMessage, path);
             fcmManager.send(message);
@@ -61,7 +64,7 @@ public void sendFriendNotification(Friend friend) {
         NotificationMessage notificationMessage =
             NotificationMessage.toFriendNotificationContent(sender);
 
-        if (receiver.getDeviceToken()!=null && !Objects.equals(receiver.getDeviceToken(), "")) {
+        if (receiver.getDeviceToken() != null && !Objects.equals(receiver.getDeviceToken(), "")) {
             final Message message =
                 fcmManager.createMessage(receiver.getDeviceToken(), notificationMessage);
             fcmManager.send(message);
@@ -75,7 +78,7 @@ public void sendVoteAvailableNotification(Long receiverId) {
         NotificationMessage notificationMessage =
             NotificationMessage.toVoteAvailableNotificationContent();
 
-        if (receiveUser.getDeviceToken()!=null && !Objects.equals(receiveUser.getDeviceToken(),
+        if (receiveUser.getDeviceToken() != null && !Objects.equals(receiveUser.getDeviceToken(),
             "")) {
             final Message message =
                 fcmManager.createMessage(receiveUser.getDeviceToken(), notificationMessage);
@@ -94,7 +97,7 @@ public void sendCustomNotification(NotificationCustomMessage request) {
                 NotificationMessage notificationMessage =
                     NotificationMessage.toYelloNotificationCustomContent(request);
 
-                if (receiver.getDeviceToken()!=null && !Objects.equals(receiver.getDeviceToken(),
+                if (receiver.getDeviceToken() != null && !Objects.equals(receiver.getDeviceToken(),
                     "")) {
                     final Message message =
                         fcmManager.createMessage(receiver.getDeviceToken(), notificationMessage);
@@ -103,4 +106,16 @@ public void sendCustomNotification(NotificationCustomMessage request) {
             });
 
     }
+
+    @Override
+    public EmptyObject adminSendCustomNotification(Long adminId, NotificationCustomMessage request) {
+        // exception
+        final User admin = userRepository.getById(adminId);
+        userAdminRepository.getByUser(admin);
+
+        // logic
+        this.sendCustomNotification(request);
+
+        return EmptyObject.builder().build();
+    }
 }
diff --git a/src/main/java/com/yello/server/infrastructure/firebase/service/NotificationService.java b/src/main/java/com/yello/server/infrastructure/firebase/service/NotificationService.java
index 36687671..b0d8f687 100644
--- a/src/main/java/com/yello/server/infrastructure/firebase/service/NotificationService.java
+++ b/src/main/java/com/yello/server/infrastructure/firebase/service/NotificationService.java
@@ -3,6 +3,7 @@
 import com.yello.server.domain.friend.entity.Friend;
 import com.yello.server.domain.user.entity.User;
 import com.yello.server.domain.vote.entity.Vote;
+import com.yello.server.global.common.dto.EmptyObject;
 import com.yello.server.infrastructure.firebase.dto.request.NotificationCustomMessage;
 
 public interface NotificationService {
@@ -16,4 +17,6 @@ public interface NotificationService {
     void sendVoteAvailableNotification(Long receiverId);
 
     void sendCustomNotification(NotificationCustomMessage request);
+
+    EmptyObject adminSendCustomNotification(Long adminId, NotificationCustomMessage request);
 }