diff --git a/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt b/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt
index b29cd72..352b493 100644
--- a/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt
+++ b/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt
@@ -15,6 +15,7 @@
 import jackall.moncalc.databinding.ActivityMainBinding
 import jackall.moncalc.db.MonstDataRealmHelper
 import jackall.moncalc.db.QuestRecordRealmHelper
+import jackall.moncalc.utils.AdUtil
 import jackall.moncalc.utils.MySharedPref
 import jackall.moncalc.viewmodel.MainViewModel
 import jackall.moncalc.vo.Drop
@@ -103,4 +104,9 @@
         mainBinding.root.main_view_pager.adapter = MainFragmentPagerAdapter(supportFragmentManager, this)
         mainBinding.root.main_tab_layout.setupWithViewPager(mainBinding.root.main_view_pager)
     }
+
+    override fun onStart() {
+        super.onStart()
+        AdUtil.startBannerAd(this, mainBinding.root.main_banner_layout, Const.BannerUnitId)
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 113b122..da2c24e 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -13,26 +13,18 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
-        <Button
-            android:id="@+id/start_service_button"
+        <FrameLayout
+            android:id="@+id/main_banner_layout"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="4dp"
-            android:layout_marginEnd="4dp"
-            android:layout_marginStart="4dp"
-            android:background="@drawable/shape_service_button"
-            android:onClick="@{mainViewModel.onClickServiceButton}"
-            android:text="@={mainViewModel.serviceButtonText}"
-            android:textColor="#ffffff"
-            android:textSize="20dp"
-            app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent" />
+            android:layout_height="wrap_content" />
 
         <android.support.design.widget.TabLayout
             android:id="@+id/main_tab_layout"
             android:layout_width="match_parent"
-            android:layout_height="50dp" />
+            android:layout_height="50dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/main_banner_layout" />
 
         <View
             android:id="@+id/main_tab_layout_shadow"
@@ -52,5 +44,21 @@
 
         </android.support.v4.view.ViewPager>
 
+        <Button
+            android:id="@+id/start_service_button"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="4dp"
+            android:layout_marginEnd="4dp"
+            android:layout_marginStart="4dp"
+            android:background="@drawable/shape_service_button"
+            android:onClick="@{mainViewModel.onClickServiceButton}"
+            android:text="@={mainViewModel.serviceButtonText}"
+            android:textColor="#ffffff"
+            android:textSize="20dp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent" />
+
     </android.support.constraint.ConstraintLayout>
 </layout>
\ No newline at end of file