diff --git a/comm/server/main.py b/comm/server/main.py
index 177d6c5a5c467b0d4d16027fa45618174dd0e715..4511d98918889a253d7493895878e66dd51b1cb4 100644
--- a/comm/server/main.py
+++ b/comm/server/main.py
@@ -67,11 +67,11 @@ def load_questions():
 
     # 既に回答されているものを読み込む
     answer_path = os.path.abspath(app_args["out"])
-    answer_list = glob.glob("{}/T03_A*.txt".format(answer_path))
+    answer_list = glob.glob("{}/submit/T01_A*.txt".format(answer_path))
 
     for v in answer_list:
         _ans_name = os.path.basename(v)
-        m = re.search(r"T03_A([0-9A-Za-z]+)\.txt", _ans_name)
+        m = re.search(r"T01_A([0-9A-Za-z]+)\.txt", _ans_name)
         if m:
             _name = "NL_Q{}.txt".format(m.group(1))
             with open(v, "r") as fp:
@@ -102,6 +102,9 @@ def update_answer_list(qname):
                 answer_log = json.load(fp)
             questions[qname]['answers'][json_name] = answer_log
 
+            if questions[qname]['answer'] == answer_log['answer']:
+                questions[qname]['best_json'] = json_name
+
 @app.before_request
 def before_request():
     global app_args
@@ -283,6 +286,43 @@ def get_status():
 
     return json.dumps(res)
 
+@app.route("/save", methods=["POST"])
+def save_best_solution():
+    """
+    それぞれの問題に対し，解き終わった答えの中で最も品質の高い解を
+    submitフォルダに出力する．
+    """
+    global questions
+    global app_args
+
+    qname = request.form["qname"]
+
+    _best_score = -1
+    _best_json = ""
+
+    for k, v in questions[qname]['answers'].items():
+        if v['nlcheck'] > _best_score:
+            _best_socer = v['nlcheck']
+            _best_json = k
+
+    if _best_json != "":
+        out_path = "{}/{}".format(app_args['out'], "submit")
+        if not os.path.isdir(out_path):
+            os.makedirs(out_path)
+
+        qnumber = qname.replace("NL_Q", "").replace(".txt", "")
+        out_file_path = "{}/T01_A{}.txt".format(out_path, qnumber)
+        with open(out_file_path, 'w') as fp:
+            fp.write(questions[qname]['answers'][_best_json]['answer'])
+
+        questions[qname]['best_json'] = _best_json
+
+        res = {"status": "OK"}
+    else:
+        res = {"status": "No answer is found"}
+
+    return json.dumps(res)
+
 @app.route("/board-data", methods=["POST"])
 def get_board_data():
 
diff --git a/comm/server/static/css/pynq-manager.css b/comm/server/static/css/pynq-manager.css
index 36d1611dac466f32930581686f7dc9d17a227dae..72f5dc78a1e14d5d59bb69adf29bb5575b154148 100644
--- a/comm/server/static/css/pynq-manager.css
+++ b/comm/server/static/css/pynq-manager.css
@@ -71,3 +71,7 @@ body{
     background-color: rgba(200, 100, 100, .15);
 }
 
+#client-control-pane tr.answer-detail-row.submit-answer{
+    background-color: rgba(100, 200, 100, .3);
+}
+
diff --git a/comm/server/static/js/pynq-manager.js b/comm/server/static/js/pynq-manager.js
index 6c19ac84fa8d1894f0c93e63db0506719a456c21..a48aa8de3f611bb030d2fd48bbf4d8eee68578e5 100644
--- a/comm/server/static/js/pynq-manager.js
+++ b/comm/server/static/js/pynq-manager.js
@@ -166,6 +166,17 @@ $(function(){
             $("#client-control-pane").find(".stop-button").eq(0).click(function(){
                 pm.sendStop();
             });
+            $("#client-control-pane").find(".save-button").eq(0).click(function(){
+                var qname = $(this).data("qname");
+                $.ajax({
+                    type: "POST",
+                    dataType: "json",
+                    url: "/save",
+                    data: {qname: qname}
+                }).done((data) => {
+                    alert(data['status']);
+                });
+            });
 
             $(".answer-detail-row td").click(function(){
                 var json_name = $(this).parent("tr").data("json");
diff --git a/comm/server/templates/part_question_status.html b/comm/server/templates/part_question_status.html
index 27b8df006ecc4148d62fa7b1f6062f3fa8bde935..225e00ec2829eb14717cbe0e2357dd759521938f 100644
--- a/comm/server/templates/part_question_status.html
+++ b/comm/server/templates/part_question_status.html
@@ -3,7 +3,8 @@
         <h3> 【{{qname}}】</h3>
         <p>
             <button class="btn btn-primary btn-lg start-button" type="button" data-qname="{{qname}}">Start</button>
-            <button class="btn btn-danger btn-lg stop-button" type="button" data-qname="all">Stop</button>
+            <button class="btn btn-danger btn-lg stop-button" type="button" data-qname="all">Stop</button><br />
+            <button class="btn btn-info btn-lg save-button" type="button" data-qname="{{qname}}">Save</button>
         </p>
     </div>
     <div class="col-8">
@@ -40,7 +41,11 @@
             <th>Score</th>
         </tr>
         {% for k, v in qdata.answers.items() %}
+        {% if qdata.best_json == k %}
+        <tr class="answer-detail-row submit-answer" data-json="{{k}}" data-qname="{{qname}}">
+        {% else %}
         <tr class="answer-detail-row" data-json="{{k}}" data-qname="{{qname}}">
+        {% endif %}
             <td>{{v.timestamp}}</td>
             <td>{{v.solver}}</td>
             <td>{{v.nlcheck}}</td>