diff --git a/src/main/java/com/study/bookcafe/controller/MemberController.java b/src/main/java/com/study/bookcafe/controller/MemberController.java
index 24df377..c4eb7af 100644
--- a/src/main/java/com/study/bookcafe/controller/MemberController.java
+++ b/src/main/java/com/study/bookcafe/controller/MemberController.java
@@ -36,8 +36,8 @@ public ResponseEntity<MemberDto> member(@PathVariable long id) {
     @PostMapping("/member/borrow")
     @ResponseBody
     public ResponseEntity<List<BorrowDto>> borrowBook(@RequestBody RequestBorrowDto requestBorrowDto) {
-        List<Borrow> borrowList = memberService.borrowBook(requestBorrowDto.getMemberId(), requestBorrowDto.getBookdIdList());
-        return ResponseEntity.ok(borrowMapper.toBorrowDtoList(borrowList));
+        List<Borrow> borrows = memberService.borrowBook(requestBorrowDto.getMemberId(), requestBorrowDto.getBookdIdList());
+        return ResponseEntity.ok(borrowMapper.toBorrowDtoList(borrows));
     }
 
 }
diff --git a/src/main/java/com/study/bookcafe/domain/Member.java b/src/main/java/com/study/bookcafe/domain/Member.java
index d6e839b..31266cc 100644
--- a/src/main/java/com/study/bookcafe/domain/Member.java
+++ b/src/main/java/com/study/bookcafe/domain/Member.java
@@ -27,16 +27,16 @@ public boolean canBorrow() {
         return this.getLevel().isBookBorrowCountLeft(getBorrowCount());
     }
 
-    public List<Borrow> borrowBook(List<Book> bookList) {
-        List<Borrow> borrowList = new ArrayList<>();
+    public List<Borrow> borrowBook(List<Book> books) {
+        List<Borrow> borrows = new ArrayList<>();
 
         // 회원이 대출 가능한 상태 확인
         if(!this.canBorrow()) {
-            return borrowList;
+            return borrows;
         }
 
         // 대출 가능한 도서만 목록에 담기
-        return bookList.stream()
+        return books.stream()
                 .filter(Book::canBorrow)
                 .map(book -> new Borrow(this, book, LocalDateTime.now()))
                 .toList();
diff --git a/src/main/java/com/study/bookcafe/dao/BookRepository.java b/src/main/java/com/study/bookcafe/repository/BookRepository.java
similarity index 64%
rename from src/main/java/com/study/bookcafe/dao/BookRepository.java
rename to src/main/java/com/study/bookcafe/repository/BookRepository.java
index 6fe945e..7b29044 100644
--- a/src/main/java/com/study/bookcafe/dao/BookRepository.java
+++ b/src/main/java/com/study/bookcafe/repository/BookRepository.java
@@ -1,4 +1,4 @@
-package com.study.bookcafe.dao;
+package com.study.bookcafe.repository;
 
 import com.study.bookcafe.domain.Book;
 
@@ -7,5 +7,5 @@
 
 public interface BookRepository {
     Book findById(long bookId);
-    List<Book> findByIdList(Collection<Long> bookIds);
+    List<Book> findByIds(Collection<Long> bookIds);
 }
diff --git a/src/main/java/com/study/bookcafe/dao/TestBookRepository.java b/src/main/java/com/study/bookcafe/repository/TestBookRepository.java
similarity index 93%
rename from src/main/java/com/study/bookcafe/dao/TestBookRepository.java
rename to src/main/java/com/study/bookcafe/repository/TestBookRepository.java
index 3f8c7ae..1f9535d 100644
--- a/src/main/java/com/study/bookcafe/dao/TestBookRepository.java
+++ b/src/main/java/com/study/bookcafe/repository/TestBookRepository.java
@@ -1,4 +1,4 @@
-package com.study.bookcafe.dao;
+package com.study.bookcafe.repository;
 
 import com.study.bookcafe.domain.Book;
 import com.study.bookcafe.domain.Inventory;
@@ -35,7 +35,7 @@ public Book findById(long bookId) {
     }
 
     @Override
-    public List<Book> findByIdList(Collection<Long> bookIds) {
+    public List<Book> findByIds(Collection<Long> bookIds) {
         List<BookEntity> bookEntities = bookIds.stream()
                 .filter(id -> books.containsKey(id))
                 .map(id -> books.get(id)).toList();
diff --git a/src/main/java/com/study/bookcafe/service/BookService.java b/src/main/java/com/study/bookcafe/service/BookService.java
index 17b254f..49f8092 100644
--- a/src/main/java/com/study/bookcafe/service/BookService.java
+++ b/src/main/java/com/study/bookcafe/service/BookService.java
@@ -10,5 +10,5 @@ public interface BookService {
     Book findById(long bookId);
 
     // 도서 목록 조회 (id list)
-    List<Book> findByIdList(Collection<Long> bookIds);
+    List<Book> findByIds(Collection<Long> bookIds);
 }
diff --git a/src/main/java/com/study/bookcafe/service/BookServiceImpl.java b/src/main/java/com/study/bookcafe/service/BookServiceImpl.java
index 5d5d57f..b2283f9 100644
--- a/src/main/java/com/study/bookcafe/service/BookServiceImpl.java
+++ b/src/main/java/com/study/bookcafe/service/BookServiceImpl.java
@@ -1,6 +1,6 @@
 package com.study.bookcafe.service;
 
-import com.study.bookcafe.dao.BookRepository;
+import com.study.bookcafe.repository.BookRepository;
 import com.study.bookcafe.domain.Book;
 import org.springframework.stereotype.Service;
 
@@ -34,7 +34,7 @@ public Book findById(long bookId) {
      * @return 도서 목록
      */
     @Override
-    public List<Book> findByIdList(Collection<Long> bookIds) {
-        return bookRepository.findByIdList(bookIds);
+    public List<Book> findByIds(Collection<Long> bookIds) {
+        return bookRepository.findByIds(bookIds);
     }
 }
diff --git a/src/main/java/com/study/bookcafe/service/MemberServiceImpl.java b/src/main/java/com/study/bookcafe/service/MemberServiceImpl.java
index 4e37722..3b7f70a 100644
--- a/src/main/java/com/study/bookcafe/service/MemberServiceImpl.java
+++ b/src/main/java/com/study/bookcafe/service/MemberServiceImpl.java
@@ -1,6 +1,6 @@
 package com.study.bookcafe.service;
 
-import com.study.bookcafe.dao.MemberRepository;
+import com.study.bookcafe.repository.MemberRepository;
 import com.study.bookcafe.domain.Book;
 import com.study.bookcafe.domain.Borrow;
 import com.study.bookcafe.domain.Member;
@@ -43,7 +43,7 @@ public Member findById(long memberId) {
     @Override
     public List<Borrow> borrowBook(long memberId, Collection<Long> bookIds) {
         Member member = findById(memberId);
-        List<Book> books = bookService.findByIdList(bookIds);
+        List<Book> books = bookService.findByIds(bookIds);
         List<Borrow> borrows = member.borrowBook(books);
 
         if(borrows.isEmpty()) return borrows;