diff --git a/src/main/java/store/itpick/backend/service/AlarmService.java b/src/main/java/store/itpick/backend/service/AlarmService.java
index 42b395d..16f1e87 100644
--- a/src/main/java/store/itpick/backend/service/AlarmService.java
+++ b/src/main/java/store/itpick/backend/service/AlarmService.java
@@ -34,6 +34,7 @@ public class AlarmService {
     private final CommentRepository commentRepository;
     private final UserRepository userRepository;
     private final AlarmRepository alarmRepository;
+    private final DebateRepository debateRepository;
 
 
     @Transactional
@@ -67,6 +68,31 @@ public void createAlarmComment(long commentId, long userId) {
     }
 
 
+    @Transactional
+    public void createAlarmTrend(List<Debate> trendDebateList) {
+        for (Debate trendDebate : trendDebateList) {
+
+            User user = trendDebate.getUser();
+            // Step 1: 알람의 수를 확인
+            Long alarmCount = alarmRepository.countByUser(user);
+
+            // Step 2: 알람이 30개 이상이면 오래된 알람 삭제
+            if (alarmCount >= 30) {
+                List<Alarm> alarms = alarmRepository.findByUserOrderByCreateAtAsc(user);
+                Alarm oldestAlarm = alarms.get(0); // 가장 오래된 알람
+                alarmRepository.delete(oldestAlarm);
+            }
+            //
+            Alarm alarm = Alarm.builder()
+                    .debate(trendDebate)
+                    .user(user)
+                    .createAt(Timestamp.valueOf(LocalDateTime.now()))
+                    .build();
+            alarmRepository.save(alarm);
+        }
+    }
+
+
     @Transactional
     public List<AlarmResponse> getAlarms(long userId) {
         User user = getUser(userId, userRepository);
diff --git a/src/main/java/store/itpick/backend/service/DebateService.java b/src/main/java/store/itpick/backend/service/DebateService.java
index e4f5481..d4da7a0 100644
--- a/src/main/java/store/itpick/backend/service/DebateService.java
+++ b/src/main/java/store/itpick/backend/service/DebateService.java
@@ -8,10 +8,7 @@
 import store.itpick.backend.common.exception.DebateException;
 import store.itpick.backend.common.exception.AuthException;
 import store.itpick.backend.common.exception.UserException;
-import store.itpick.backend.common.exception.jwt.unauthorized.JwtInvalidTokenException;
-import store.itpick.backend.common.exception.jwt.unauthorized.JwtUnauthorizedTokenException;
 import store.itpick.backend.dto.debate.*;
-import store.itpick.backend.dto.keyword.SearchDTO;
 import store.itpick.backend.dto.vote.PostVoteRequest;
 import store.itpick.backend.jwt.JwtProvider;
 import store.itpick.backend.model.*;
@@ -299,12 +296,21 @@ public void deleteDebate(Long debateId, long userId) {
     }
 
     @Transactional
-    public void updateHotDebate() {
+    public List<Debate> updateHotDebate() {
         // 현재 시간 및 48시간 전 시간 계산
         Timestamp endTime = new Timestamp(System.currentTimeMillis());
         Timestamp startTime = new Timestamp(endTime.getTime() - 3 * 24 * 60 * 60 * 1000); // 3일 전 시간
         PageRequest pageRequest = PageRequest.of(0, 3); // 상위 3개만 가져오기
 
+        List<TrendDebate> trendDebateList = trendDebateRepository.findAll();
+        for(TrendDebate trendDebate : trendDebateList){
+            Optional<Debate> updateDebate = debateRepository.getDebateByDebateId(trendDebate.getTrendDebateId());
+            if (updateDebate.isPresent()) {
+                Debate debate = updateDebate.get();
+                debate.setOnTrend(false);
+                debateRepository.save(debate);
+            }
+        }
         // 기존의 TrendDebate 삭제
         trendDebateRepository.deleteAllInBatch();
 
@@ -318,9 +324,13 @@ public void updateHotDebate() {
                     .updateAt(endTime) // 업데이트된 시간 저장
                     .build();
 
+            debate.setOnTrend(true);
+            debateRepository.save(debate);
+
             trendDebateRepository.save(trendDebate);
 
         }
+        return debateList;
 
     }
 
diff --git a/src/main/java/store/itpick/backend/service/SchedulerService.java b/src/main/java/store/itpick/backend/service/SchedulerService.java
index b7e1624..84f8dff 100644
--- a/src/main/java/store/itpick/backend/service/SchedulerService.java
+++ b/src/main/java/store/itpick/backend/service/SchedulerService.java
@@ -25,6 +25,7 @@ public class SchedulerService {
     private final SeleniumService seleniumService;
     private final KeywordService keywordService;
     private final DebateService debateService;
+    private final AlarmService alarmService;
     private final Redis redis;
 
 
@@ -150,7 +151,7 @@ public void performWeeklyTasks() {
 
     @Scheduled(cron = "0 30 * * * *")
     public void updateTrendDebate(){
-        debateService.updateHotDebate();
+        alarmService.createAlarmTrend(debateService.updateHotDebate());
     }
 
 }
diff --git a/src/main/java/store/itpick/backend/util/Redis.java b/src/main/java/store/itpick/backend/util/Redis.java
index 6c87530..5e9f79c 100644
--- a/src/main/java/store/itpick/backend/util/Redis.java
+++ b/src/main/java/store/itpick/backend/util/Redis.java
@@ -252,4 +252,17 @@ private static int getWeight(String key) {
         }
         return -1;
     }
+
+    public List<String> getKeywordListByRedisKey(String redisKey) {
+        ZSetOperations<String, Object> zSetOperations = redisTemplate.opsForZSet();
+
+        if (zSetOperations.size(redisKey) < 10) {
+            return null;
+        }
+        List<String> keywordList = new ArrayList<>();
+        for (Object keyword : zSetOperations.reverseRange(redisKey, 0, 9)) {
+            keywordList.add((String) keyword);
+        }
+        return keywordList;
+    }
 }
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 03a536d..8201c6b 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -55,6 +55,11 @@ spring:
           timeout: 5000
           writetimeout: 5000
     auth-code-expiration-millis: 1800000
+  servlet:
+    multipart:
+      enabled: true
+      max-file-size: 5MB
+      max-request-size: 5MB
 
 ---
 
@@ -101,6 +106,11 @@ spring:
           timeout: 5000
           writetimeout: 5000
     auth-code-expiration-millis: 1800000
+  servlet:
+    multipart:
+      enabled: true
+      max-file-size: 5MB
+      max-request-size: 5MB
 
 ---