diff --git a/app/src/main/java/com/example/citrusclient/views/MainActivity.java b/app/src/main/java/com/example/citrusclient/views/MainActivity.java
index 81d39a6..2401d75 100644
--- a/app/src/main/java/com/example/citrusclient/views/MainActivity.java
+++ b/app/src/main/java/com/example/citrusclient/views/MainActivity.java
@@ -1,14 +1,19 @@
 package com.example.citrusclient.views;
 
 import android.os.Bundle;
+import android.view.MenuItem;
 
 import androidx.activity.EdgeToEdge;
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
+import androidx.fragment.app.Fragment;
 
 import com.example.citrusclient.R;
+import com.google.android.material.bottomnavigation.BottomNavigationView;
+import com.google.android.material.navigation.NavigationBarView;
 
 public class MainActivity extends AppCompatActivity {
 
@@ -27,5 +32,36 @@
                 .replace(R.id.fragment_container, new MyBookshelfFragment())
                 .commit();
 
+        setNavViewEvent();
+
+    }
+
+    private void showFragment(Fragment fragment){
+        getSupportFragmentManager().beginTransaction()
+                .replace(R.id.fragment_container, fragment)
+                .addToBackStack(null)
+                .commit();
+    }
+
+    private void setNavViewEvent(){
+        BottomNavigationView navView = findViewById(R.id.bottomNavigationView);
+        navView.setOnItemSelectedListener(new NavigationBarView.OnItemSelectedListener() {
+            @Override
+            public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
+                int itemId = menuItem.getItemId();
+                if(itemId == R.id.book){// 本棚
+                    showFragment(new MyBookshelfFragment());
+                } else if(itemId == R.id.search){//検索
+
+                } else if(itemId == R.id.home){//ホーム
+
+                }else if(itemId == R.id.calendar){ //カレンダー
+
+                }else if(itemId == R.id.face){//マイページ
+
+                }
+                return true;
+            }
+        });
     }
 }
\ 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 ddf184d..82849ee 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -18,7 +18,6 @@
         app:itemPadding="0dp"
         app:itemTextAppearanceActiveBoldEnabled="false"
         app:itemTextColor="@drawable/bottom_navigation_item_state"
-        app:labelVisibilityMode="unlabeled"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/menu/bottom_navigation_item.xml b/app/src/main/res/menu/bottom_navigation_item.xml
index e37901f..99e29fb 100644
--- a/app/src/main/res/menu/bottom_navigation_item.xml
+++ b/app/src/main/res/menu/bottom_navigation_item.xml
@@ -4,22 +4,22 @@
     <item
         android:id="@+id/book"
         android:icon="@drawable/baseline_menu_book_24"
-        android:title=""/>
+        android:title="book"/>
     <item
         android:id="@+id/search"
         android:icon="@drawable/baseline_search_24"
-        android:title=""/>
+        android:title="search"/>
     <item
         android:id="@+id/home"
         android:icon="@drawable/baseline_home_24"
-        android:title=""/>
+        android:title="home"/>
     <item
         android:id="@+id/calendar"
         android:icon="@drawable/baseline_calendar_month_24"
-        android:title=""/>
+        android:title="calendar"/>
     <item
         android:id="@+id/face"
         android:icon="@drawable/baseline_face_24"
-        android:title=""/>
+        android:title="mypage"/>
 
 </menu>
\ No newline at end of file