diff --git a/frontend/src/modules/sendNumMgt/components/ApprDetailPop.vue b/frontend/src/modules/sendNumMgt/components/ApprDetailPop.vue
index 62a505b..34c91ba 100644
--- a/frontend/src/modules/sendNumMgt/components/ApprDetailPop.vue
+++ b/frontend/src/modules/sendNumMgt/components/ApprDetailPop.vue
@@ -150,7 +150,7 @@
             <tr>
               <th>메모</th>
               <td class="sender">
-                <textarea class="memo_text" v-model="memo">{{ memo }}</textarea>
+                <textarea class="memo_text" placeholder="내용을 입력해주세요" v-model="memo">{{ memo }}</textarea>
               </td>
             </tr>
           </tbody>