diff --git a/src/main/java/com/example/daemawiki/domain/document/component/facade/CreateDocumentFacade.java b/src/main/java/com/example/daemawiki/domain/document/component/facade/CreateDocumentFacade.java
index e543e358..c93c04f9 100644
--- a/src/main/java/com/example/daemawiki/domain/document/component/facade/CreateDocumentFacade.java
+++ b/src/main/java/com/example/daemawiki/domain/document/component/facade/CreateDocumentFacade.java
@@ -10,7 +10,6 @@
 import org.springframework.stereotype.Component;
 
 import java.time.LocalDateTime;
-import java.util.Objects;
 
 @Component
 public class CreateDocumentFacade {
@@ -39,10 +38,7 @@ public DefaultDocument execute(SaveDocumentRequest request, User user) {
                         .updatedUser(userDetail)
                         .build())
                 .content(request.content())
-                .groups(request.groups().stream()
-                        .filter(Objects::nonNull)
-                        .map(group -> String.join("/", group))
-                        .toList())
+                .groups(request.groups())
                 .build();
     }
 
diff --git a/src/main/java/com/example/daemawiki/domain/document/component/service/UpdateDocument.java b/src/main/java/com/example/daemawiki/domain/document/component/service/UpdateDocument.java
index 5e6fcac1..d28f998c 100644
--- a/src/main/java/com/example/daemawiki/domain/document/component/service/UpdateDocument.java
+++ b/src/main/java/com/example/daemawiki/domain/document/component/service/UpdateDocument.java
@@ -14,7 +14,6 @@
 import org.springframework.stereotype.Service;
 import reactor.core.publisher.Mono;
 
-import java.util.List;
 import java.util.Objects;
 
 @Service
@@ -36,11 +35,6 @@ public UpdateDocument(DocumentFacade documentFacade, UserFacade userFacade, Docu
     public Mono<Void> execute(SaveDocumentRequest request, String documentId) {
         return userFacade.currentUser()
                 .zipWith(documentFacade.findDocumentById(documentId), (user, document) -> {
-                            List<String> groups = request.groups().stream()
-                                    .filter(Objects::nonNull)
-                                    .map(group -> String.join("/", group))
-                                    .toList();
-
                             document.getEditor().update(UserDetailResponse.builder()
                                     .id(user.getId())
                                     .name(user.getName())
@@ -50,7 +44,7 @@ public Mono<Void> execute(SaveDocumentRequest request, String documentId) {
                             document.update(request.title(),
                                     getDocumentType.execute(request.type()),
                                     request.content(),
-                                    groups);
+                                    request.groups());
 
                             return document;
                         })
diff --git a/src/main/java/com/example/daemawiki/domain/document/model/DefaultDocument.java b/src/main/java/com/example/daemawiki/domain/document/model/DefaultDocument.java
index b27db9d7..fccfc046 100644
--- a/src/main/java/com/example/daemawiki/domain/document/model/DefaultDocument.java
+++ b/src/main/java/com/example/daemawiki/domain/document/model/DefaultDocument.java
@@ -25,7 +25,7 @@ public class DefaultDocument {
 
     private EditDateTime dateTime;
 
-    private List<String> groups;
+    private List<List<String>> groups;
 
     private DocumentEditor editor;
 
@@ -35,7 +35,7 @@ public class DefaultDocument {
     private Integer version;
 
     @Builder
-    public DefaultDocument(String title, DocumentType type, EditDateTime dateTime, List<String> groups, DocumentEditor documentEditor, String content) {
+    public DefaultDocument(String title, DocumentType type, EditDateTime dateTime, List<List<String>> groups, DocumentEditor documentEditor, String content) {
         this.title = title;
         this.type = type;
         this.dateTime = dateTime;
@@ -44,7 +44,7 @@ public DefaultDocument(String title, DocumentType type, EditDateTime dateTime, L
         this.content = content;
     }
 
-    public void update(String title, DocumentType type, String content, List<String> groups) {
+    public void update(String title, DocumentType type, String content, List<List<String>> groups) {
         this.title = title;
         this.type = type;
         this.content = content;