diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenActivity.java b/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenActivity.java
index e3afb6c..379fa57 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenActivity.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenActivity.java
@@ -44,6 +44,9 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         init();
+        Acanthus acanthus = (Acanthus) getApplication();
+        loginScreenViewModel.LoginToken(acanthus,acanthus.getEmail(),acanthus.getPassword());
+
     }
 
     //-----------------------------------------------------------------
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenViewModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenViewModel.java
index 3457cb4..b07115b 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenViewModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenViewModel.java
@@ -54,7 +54,31 @@
             @Override
             public void onResponse(Call<AccountTokenJson> call, Response<AccountTokenJson> response) {
                 if (response.isSuccessful())
-                    setVariableFromResponse(acanthus, response.body().getToken());
+                    setVariableFromResponse(acanthus, response.body().getToken(),emailAddress,password);
+            }
+
+            @Override
+            public void onFailure(Call<AccountTokenJson> call, Throwable t) {
+            }
+        });
+    }
+    public void LoginToken(Acanthus acanthus, String emailForm, String passwordForm) {
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
+                .addConverterFactory(JacksonConverterFactory.create())
+                .build();
+        final AccountsRest accountsRest = retrofit.create(AccountsRest.class);
+
+        String emailAddress = emailForm;
+        String password = passwordForm;
+
+        // ログイン
+        Call<AccountTokenJson> call = accountsRest.issueLoginToken(emailAddress, password);
+        call.enqueue(new Callback<AccountTokenJson>() {
+            @Override
+            public void onResponse(Call<AccountTokenJson> call, Response<AccountTokenJson> response) {
+                if (response.isSuccessful())
+                    setVariableFromResponse(acanthus, response.body().getToken(),emailAddress,password);
             }
 
             @Override
@@ -66,8 +90,10 @@
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
     // ログイン成功時に値の変更を行う
-    private void setVariableFromResponse(Acanthus acanthus, String token) {
+    private void setVariableFromResponse(Acanthus acanthus, String token, String email,String password ) {
         acanthus.setToken(token);
+        acanthus.setEmail(email);
+        acanthus.setPassword(password);
         acanthusMutableLiveData.setValue(acanthus);
     }
     //-----------------------------------------------------------------