diff --git a/src/domains/keyword/keywordController.js b/src/domains/keyword/keywordController.js
index 1a09d1e..267de2b 100644
--- a/src/domains/keyword/keywordController.js
+++ b/src/domains/keyword/keywordController.js
@@ -40,26 +40,36 @@ const getArticlesByCompany = async (req, res) => {
 };
 
 const getArticleCounts = async (req, res) => {
-  const { keyword } = req.params;
-  console.log('개수 조회 키워드: ', keyword);
+  const keywords = req.query.keywords ? req.query.keywords.split(',') : [];
 
-  if (!keyword) {
-    return res.status(400).json({ error: "Keyword is required" });
+  if (keywords.length === 0) {
+    return res.status(400).json({ error: "At least one keyword is required" });
   }
 
+  console.log('개수 조회 키워드: ', keywords);
+
   try {
-    const count = await fetchArticleCounts(keyword);
-    if (count === null) {
-      return res.status(404).json({ error: "Keyword not found in stats" });
-    }
+    // 여러 키워드를 병렬로 조회
+    const results = await Promise.all(
+      keywords.map(keyword => fetchArticleCounts(keyword))
+    );
+
+    // 응답 데이터 정리
+    const response = Object.fromEntries(
+      keywords.map((keyword, index) => [
+        keyword,
+        results[index] || { error: "Keyword not found in stats" }
+      ])
+    );
 
-    res.status(200).json(count);
+    res.status(200).json(response);
   } catch (error) {
-    console.error("Error fetching article count:", error.message);
-    res.status(500).json({ error: "Failed to fetch article count" });
+    console.error("Error fetching article counts:", error.message);
+    res.status(500).json({ error: "Failed to fetch article counts" });
   }
 };
 
+
 const getKeywords = async (req, res) => {
   try {
     const keywords = await fetchKeywords();
diff --git a/src/domains/keyword/keywordService.js b/src/domains/keyword/keywordService.js
index cd22d80..3bfa217 100644
--- a/src/domains/keyword/keywordService.js
+++ b/src/domains/keyword/keywordService.js
@@ -63,36 +63,26 @@ const fetchArticlesByCompany = async (keyword, company) => {
 
 const fetchArticleCounts = async (keyword) => {
   console.log(`[fetchArticlesCounts] 조회 키워드: ${keyword}`);
+
   const key = "keyword:stats";
   const companyCntKey = `keyword:${keyword}:company_stats`;
 
-  // keyword:stats 값 조회
   try {
-    // keyword:stats 키 존재 여부 확인
-    const companyKeys = await redisClient.keys(key);
-    if (!companyKeys) {
-      console.log(`Key does not exist: ${key}`);
+    // 키가 존재하는지 확인 (`keys()` 대신 `hExists()` 사용하여 성능 최적화)
+    const exists = await redisClient.hExists(key, keyword);
+    if (!exists) {
+      console.log(`Keyword not found in stats: ${keyword}`);
       return null;
     }
 
-    // 키의 데이터 타입 확인
-    const type = await redisClient.type(key);
-
-    let totalCount = null;
-    if (type === "hash") {
-      // 특정 필드 값 조회
-      totalCount = await redisClient.hGet(key, keyword);
-      if (!totalCount) {
-        console.log(`keyword does not exist: ${keyword}`);
-        return null;
-      }
-    } else {
-      throw new Error(`Unsupported totalCount type: ${type}`);
+    // 특정 필드 값 조회
+    const totalCount = await redisClient.hGet(key, keyword);
+    if (!totalCount) {
+      console.log(`Keyword does not exist: ${keyword}`);
+      return null;
     }
 
-    // keyword:${keyword}:company_stats값 조회
-    // == 키워드에 대한 언론사 별 기사 개수 조회
-
+    // 언론사별 기사 개수 조회
     const mediaCounts = (await redisClient.hGetAll(companyCntKey)) || {};
 
     console.log(`키워드 전체 개수: ${totalCount}`);
@@ -101,7 +91,7 @@ const fetchArticleCounts = async (keyword) => {
     return {
       keyword,
       totalCount: parseInt(totalCount, 10),
-      mediaCounts: mediaCounts,
+      mediaCounts,
     };
   } catch (err) {
     console.error("Error fetching article counts:", err);
@@ -109,6 +99,7 @@ const fetchArticleCounts = async (keyword) => {
   }
 };
 
+
 const fetchKeywords = async () => {
   try {
     const keywords = await redisClient.sMembers('keywords'); // 'keywords' 키의 데이터를 가져옴