diff --git a/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java b/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
index 8e5f0b5..bc85096 100644
--- a/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
@@ -1,10 +1,15 @@
 package com.example.cosmosclient.views;
 
 
+import android.app.Activity;
+import android.content.ContentResolver;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.os.Handler;
+import android.provider.MediaStore;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.text.Editable;
@@ -23,6 +28,10 @@
 import com.theartofdev.edmodo.cropper.CropImage;
 import com.theartofdev.edmodo.cropper.CropImageView;
 
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
@@ -35,6 +44,7 @@
     private boolean cpwEnable;
     private Button MakeAccountButton;
     private ImageView iconChoice;
+    private String iconImageBase64 = null;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -91,7 +101,7 @@
 
                 //API呼び出しのための値入力
                 Call<SignupResponse> call = signupService.createUser(NameText.getText().toString(),
-                        PasswordText.getText().toString(), "https://yumenavi.info/live/2018/photo/k/s015980019.jpg");
+                        PasswordText.getText().toString(), iconImageBase64);
 
                 //サーバからデータ受け取り
                 call.enqueue(new Callback<SignupResponse>() {
@@ -169,10 +179,26 @@
             CropImage.ActivityResult result = CropImage.getActivityResult(data);
             if (resultCode == RESULT_OK) {
                 Uri resultUri = result.getUri();
+                //画面にトリミングした画像をセット
                 iconChoice.setImageURI(resultUri);
+
+                try {
+                    //UriからBitmapの取得
+                    Bitmap image = MediaStore.Images.Media.getBitmap(getContentResolver(),resultUri);
+
+                    //画像をBase64に変換
+                    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                    image.compress(Bitmap.CompressFormat.JPEG,100, baos);
+                    byte[] b = baos.toByteArray();
+                    String imageEncoded = Base64.encodeToString(b, Base64.DEFAULT);
+                    iconImageBase64 = imageEncoded;
+                }catch(IOException e){
+                    e.printStackTrace();
+                }
             } else if (resultCode == CropImage.CROP_IMAGE_ACTIVITY_RESULT_ERROR_CODE) {
                 Exception error = result.getError();
             }
+
         }
     }