diff --git a/comm/server/main.py b/comm/server/main.py
index 06b627f692f27e6c822b12b4d9a9a7606305e921..02d072940de6193dee2e1d55422f678d7a98e422 100644
--- a/comm/server/main.py
+++ b/comm/server/main.py
@@ -262,6 +262,22 @@ def solve_questions(qname, qstr):
 
     return res
 
+@app.route("/stop", methods=["POST"])
+def stop():
+    _client = request.form["client"]
+    _url = _client + "/stop"
+
+    try:
+        r = requests.get(_url)
+        client_res = json.loads(r.text)["status"]
+    except Exception as e:
+        client_res = "Connection error"
+        sys.stderr.write(str(e) + "\n")
+
+    res = {"status": client_res}
+
+    return json.dumps(res)
+
 @app.route("/status", methods=["POST"])
 def get_status():
     _client = request.form["client"]
diff --git a/comm/server/static/js/pynq-manager.js b/comm/server/static/js/pynq-manager.js
index 8e06dcb5bf25f60403802c8784e12d3a2c365ee8..903fac2d808810ba4d8788e2bebb1c6fc3f0a606 100644
--- a/comm/server/static/js/pynq-manager.js
+++ b/comm/server/static/js/pynq-manager.js
@@ -74,7 +74,31 @@ var PynqManager = (function(){
 
     _p.sendStop = function(){
 
-        console.log("Not implemented!");
+        for (var key in this.clients){
+            (function(_key, _client){
+                var statusObj = $(".client-status-row[data-cname='"+_key+"']").find(".client-status-value").eq(0)
+                $.ajax({
+                    type: "POST",
+                    url: "/stop",
+                    dataType: "json",
+                    data: {
+                        "client": _client
+                    }
+                }).done(function(res){
+                    var answer = res["status"];
+                    var message = "";
+
+                    if (answer) {
+                        message = answer;
+                    }else{
+                        message = "Illegal response: " + res;
+                    }
+                    statusObj.text(message);
+                }).fail(function(){
+                    statusObj.text("Connection error");
+                });
+            })(key, this.clients[key]);
+        }
 
     }
 
@@ -139,6 +163,9 @@ $(function(){
                 var qname = $(this).data("qname");
                 pm.sendQuestion(qname, after=refresh_question_table);
             });
+            $("#client-control-pane").find(".stop-button").eq(0).click(function(){
+                pm.sendStop();
+            });
         });
     }
 
diff --git a/comm/server/templates/part_question_status.html b/comm/server/templates/part_question_status.html
index 61a5dc3fe07ebd2c07bebe2d594d9f7db120ee8f..e46a98dccbec283024c7d703e347f519dd76ff9d 100644
--- a/comm/server/templates/part_question_status.html
+++ b/comm/server/templates/part_question_status.html
@@ -3,6 +3,7 @@
         <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>
         </p>
     </div>
     <div class="col-8">