diff --git a/templates/_Parts/Form.twig b/templates/_Parts/Form.twig
new file mode 100644
index 0000000..0c2f4ea
--- /dev/null
+++ b/templates/_Parts/Form.twig
@@ -0,0 +1,23 @@
+{% autoescape true %}
+<div class="postform">
+    <h3>投稿フォーム</h3>
+    <form method="post" action="/post/commit">
+        <input type="hidden" name="{{csrf_key}}" value="{{csrf_token}}">
+        <div class="form-group {% if error_list.nickname %}has-error{% endif %}">
+            <label>ニックネーム<em>(半角英数16文字まで)</em></label><br>
+            <input type="text" name="nickname" value="{{ params.nickname }}"
+                placeholder="ニックネームを入力してください" class="form-control">
+            <p class="text-warning">{{error_list.nickname}}</p>
+        </div>
+
+        <div class="form-group {% if error_list.body %}has-error{% endif %}">
+            <label>テキスト<em>(1000文字まで)</em></label>
+            <textarea name="body" placeholder="本文を入力してください"
+                class="form-control" >{{params.body}}</textarea>
+            <p class="text-warning">{{error_list.body}}</p>
+        </div>
+
+        <input type="submit" class="btn btn-primary btn-block" value="投稿する">
+    </form>
+</div>
+{% endautoescape %}