diff --git a/src/main/java/com/capstone/BnagFer/domain/tactic/service/TacticService.java b/src/main/java/com/capstone/BnagFer/domain/tactic/service/TacticService.java
index 20e173c8..a4e87e67 100644
--- a/src/main/java/com/capstone/BnagFer/domain/tactic/service/TacticService.java
+++ b/src/main/java/com/capstone/BnagFer/domain/tactic/service/TacticService.java
@@ -36,6 +36,15 @@ public class TacticService {
     private final LikeRepository likeRepository;
     private final ApplicationEventPublisher eventPublisher;
 
+    private void saveUserTactic(User user, Object tacticOrComment) {
+        accountsCommonService.checkUserProfile(user);
+        if (tacticOrComment instanceof Tactic) {
+            tacticRepository.save((Tactic) tacticOrComment);
+        } else if (tacticOrComment instanceof TacticComment) {
+            commentRepository.save((TacticComment) tacticOrComment);
+        }
+    }
+
     public TacticResponse createTactic(TacticCreateRequest request, User user){
 
         Tactic tactic = request.toEntity(user);
@@ -43,8 +52,7 @@ public TacticResponse createTactic(TacticCreateRequest request, User user){
         accountsCommonService.checkUserActivity(user);
 
         // 프로필 존재 확인
-        accountsCommonService.checkUserProfile(user);
-        tacticRepository.save(tactic);
+        saveUserTactic(user, tactic);
 
         // 11개의 개별 포지션에 대한 설명
         createPositionDetails(request.positionDetails(), tactic);
@@ -101,8 +109,7 @@ public TacticResponse copyTactic(Long tacticId, User user) {
         copyTactic.setCopyDetail(user, tactic);
 
         // 프로필 존재 확인
-        accountsCommonService.checkUserProfile(user);
-        tacticRepository.save(copyTactic);
+        saveUserTactic(user, copyTactic);
 
         return TacticResponse.from(copyTactic);
     }
@@ -123,8 +130,7 @@ public CommentResponse createComment(Long tacticId, CommentCreateRequest request
         TacticComment tacticComment = request.toEntity(user, tactic, parent);
 
         // 프로필 존재 확인
-        accountsCommonService.checkUserProfile(user);
-        commentRepository.save(tacticComment);
+        saveUserTactic(user, tacticComment);
         commentCount++;
         redisUtil.saveCommentCount(tacticId, commentCount);
 
diff --git a/src/main/java/com/capstone/BnagFer/global/util/RedisUtil.java b/src/main/java/com/capstone/BnagFer/global/util/RedisUtil.java
index 6cf71761..ef1ace2d 100644
--- a/src/main/java/com/capstone/BnagFer/global/util/RedisUtil.java
+++ b/src/main/java/com/capstone/BnagFer/global/util/RedisUtil.java
@@ -1,19 +1,26 @@
 package com.capstone.BnagFer.global.util;
+
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Component;
 import java.util.concurrent.TimeUnit;
+
 @Component
 @RequiredArgsConstructor
 public class RedisUtil {
     private final RedisTemplate<String, Object> redisTemplate;
+    private static final long ONE_WEEK_IN_SECONDS = 7 * 24 * 60 * 60; // 일주일을 초로 표현
 
     public void save(String key, Object val, Long time, TimeUnit timeUnit) {
         redisTemplate.opsForValue().set(key, val, time, timeUnit);
     }
 
+    private void saveWithOneWeekTTL(String key, Object val) {
+        redisTemplate.opsForValue().set(key, val, ONE_WEEK_IN_SECONDS, TimeUnit.SECONDS);
+    }
+
     public void saveLikeCount(Long tacticId, Long likeCount) {
-        redisTemplate.opsForValue().set("tactic:" + tacticId + ":likeCount", likeCount.toString());
+        saveWithOneWeekTTL("tactic:" + tacticId + ":likeCount", likeCount.toString());
     }
 
     public Long getLikeCount(Long tacticId) {
@@ -22,7 +29,7 @@ public Long getLikeCount(Long tacticId) {
     }
 
     public void boardSaveLikeCount(Long boardId, Long likeCount) {
-        redisTemplate.opsForValue().set("board:" + boardId + ":likeCount", likeCount.toString());
+        saveWithOneWeekTTL("board:" + boardId + ":likeCount", likeCount.toString());
     }
 
     public Long boardGetLikeCount(Long boardId) {
@@ -31,19 +38,19 @@ public Long boardGetLikeCount(Long boardId) {
     }
 
     public void boardSaveCommentCount(Long boardId, Long commentCount) {
-        redisTemplate.opsForValue().set("board:" + boardId + ":commentCount", commentCount.toString());
+        saveWithOneWeekTTL("board:" + boardId + ":commentCount", commentCount.toString());
     }
 
-    public Long boardGetCommentCount(Long boardId){
+    public Long boardGetCommentCount(Long boardId) {
         String commentCountStr = (String) redisTemplate.opsForValue().get("board:" + boardId + ":commentCount");
         return commentCountStr != null ? Long.valueOf(commentCountStr) : null;
     }
 
-    public void saveCommentCount(Long tacticId, Long commentCount){
-        redisTemplate.opsForValue().set("tactic:" + tacticId + ":commentCount", commentCount.toString());
+    public void saveCommentCount(Long tacticId, Long commentCount) {
+        saveWithOneWeekTTL("tactic:" + tacticId + ":commentCount", commentCount.toString());
     }
 
-    public Long getCommentCount(Long tacticId){
+    public Long getCommentCount(Long tacticId) {
         String commentCountStr = (String) redisTemplate.opsForValue().get("tactic:" + tacticId + ":commentCount");
         return commentCountStr != null ? Long.valueOf(commentCountStr) : null;
     }
@@ -64,6 +71,7 @@ public void saveFCMToken(String userEmail, String fcmToken) {
         redisTemplate.opsForValue().set(userEmail, fcmToken);
         redisTemplate.expire(userEmail, 30, TimeUnit.DAYS);
     }
+
     public String getFCMToken(String userEmail) {
         Object tokenObj = redisTemplate.opsForValue().get(userEmail);
         if (tokenObj != null) {
@@ -72,6 +80,7 @@ public String getFCMToken(String userEmail) {
             return null;
         }
     }
+
     public void removeFCMToken(String userEmail) {
         redisTemplate.delete(userEmail);
     }