diff --git a/app/src/main/java/org/ntlab/irisclient/OwnerRoomActivity.java b/app/src/main/java/org/ntlab/irisclient/OwnerRoomActivity.java
index 79cca26..bb12093 100644
--- a/app/src/main/java/org/ntlab/irisclient/OwnerRoomActivity.java
+++ b/app/src/main/java/org/ntlab/irisclient/OwnerRoomActivity.java
@@ -1,5 +1,6 @@
 package org.ntlab.irisclient;
 
+import android.content.DialogInterface;
 import android.content.ClipData;
 import android.content.ClipDescription;
 import android.content.ClipboardManager;
@@ -17,6 +18,7 @@
 
 import com.google.android.material.snackbar.Snackbar;
 
+import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProvider;
@@ -48,6 +50,33 @@
     String belongs;
     Boolean isMaster;
 
+    private void homeButton(RoomViewModel roomViewModel){
+        String strTitle = "ホーム画面に戻ってよろしいですか？";
+        String strMessage = "退出すると部屋は削除されます";
+
+        AlertDialog.Builder builder;
+        builder = new AlertDialog.Builder(this);
+        builder.setMessage(strMessage);
+        builder.setTitle(strTitle);
+        builder.setPositiveButton("ok", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                roomViewModel.ownerLeaving(roomId , myName);
+
+                Intent i = new Intent(OwnerRoomActivity.this, MainActivity.class);
+                startActivity(i);
+            }
+        });
+        builder.setNegativeButton("cancel", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+
+            }
+        });
+        builder.create();
+        builder.show();
+    }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -102,6 +131,7 @@
         Button blueMasterButton = (Button) findViewById(R.id.beBlueMaster);
         Button blueSpyButton = (Button) findViewById(R.id.beBlueSpy);
         ImageButton copyButton = (ImageButton) findViewById(R.id.copyButton);
+        ImageButton homeButton = (ImageButton) findViewById(R.id.homeButton);
 
         //OwnerRoom専用ボタン
         Button randomButton = (Button) findViewById(R.id.random);
@@ -172,6 +202,13 @@
             }
         });
 
+        //ホームボタン
+        homeButton.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                homeButton(roomViewModel);
+            }
+        });
+
         //---------------------------------------------------------------
         //settings情報
         String s = "設定\\nお絵描き";