diff --git a/client.js b/client.js
index 573f25d..9d342af 100644
--- a/client.js
+++ b/client.js
@@ -15,6 +15,22 @@
       return this.get('/rooms');
     };
     
+    /**
+    * ルーム作成
+    */
+    ChatWork.prototype.createRoom = function(params) {
+      var post_data = {
+        'description': params.description || {},
+        'icon_preset': params.icon_preset || "group",
+        'members_admin_ids': params.members_admin_ids,
+        'members_member_ids': params.members_member_ids || "",
+        'members_readonly_ids': params.members_readonly_ids || "",
+        'name': params.name
+      };
+      
+      return this.post('/rooms', post_data);
+    };
+    
     /**
     * メッセージ送信
     */