diff --git a/app/src/main/java/com/example/nemophila/resources/AccountsRest.java b/app/src/main/java/com/example/nemophila/resources/AccountsRest.java
index 02a6203..83ab4a8 100644
--- a/app/src/main/java/com/example/nemophila/resources/AccountsRest.java
+++ b/app/src/main/java/com/example/nemophila/resources/AccountsRest.java
@@ -65,6 +65,14 @@
             @Field("token") String token
     );
 
+    @FormUrlEncoded
+    @PUT("accounts/{uid}/icon")
+    Call<Void> changeIcon(
+            @Path("uid") String uid,
+            @Field("name") String icon,
+            @Field("token") String token
+    );
+
     @GET("accounts/{uid}/posts")
     Call<Collection<PostJson>> getAccountPosts(
             @Path("uid") String uid
diff --git a/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java b/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
index 207f837..a4f9f2a 100644
--- a/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
+++ b/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
@@ -37,6 +37,7 @@
     private final MutableLiveData<String> pwErrorLiveData;
     private final MutableLiveData<Account> accountLiveData;
     private final MutableLiveData<String> errorLiveData;
+    private final MutableLiveData<Boolean> finishChangeIconLiveData;
 
     // コンストラクタ
     public AccountViewModel() {
@@ -51,6 +52,7 @@
         this.pwErrorLiveData = new MutableLiveData<>();
         this.accountLiveData = new MutableLiveData<>();
         this.errorLiveData = new MutableLiveData<>();
+        this.finishChangeIconLiveData = new MutableLiveData<>();
     }
 
     // ライブデータの取得（ゲッター）
@@ -70,6 +72,7 @@
     public MutableLiveData<String> getErrorLiveData() {
         return errorLiveData;
     }
+    public MutableLiveData<Boolean> getFinishChangeIconLiveData() {return finishChangeIconLiveData;}
 
     // 対象のアカウント情報の削除
     public void deleteAccount(String uid, String token) {
@@ -138,6 +141,29 @@
         });
     }
 
+    // アイコンの変更を行う
+    public void changeIcon(String uid, String icon, String token) {
+        Call<Void> call = accountsRest.changeIcon(uid, icon, token);
+
+        call.enqueue(new Callback<Void>() {
+            @Override
+            public void onResponse(Call<Void> call, Response<Void> response) {
+                if (response.isSuccessful()) {
+                    finishChangeIconLiveData.setValue(true);
+                } else {
+                    finishChangeIconLiveData.setValue(false);
+                    System.out.println("response error");
+                }
+            }
+
+            @Override
+            public void onFailure(Call<Void> call, Throwable t) {
+                finishChangeIconLiveData.setValue(false);
+                System.out.println("ChangeIcon NetworkError :" + t);
+            }
+        });
+    }
+
     // 対象のアカウントがした投稿の全取得
     public void getAccountPosts(String uid) {
         Call<Collection<PostJson>> call = accountsRest.getAccountPosts(uid);
@@ -160,7 +186,7 @@
         });
     }
 
-    //PostJsonからPostを作成し，対象のライブデータに設定する
+    // PostJsonからPostを作成し，対象のライブデータに設定する
     private void setAccountPostLiveDataFromJson(Collection<PostJson> postJson) {
         ArrayList<Post> posts = new ArrayList<>();
         for(PostJson pj: postJson) {