diff --git a/tserver.py b/tserver.py
new file mode 100644
index 0000000..4ca13eb
--- /dev/null
+++ b/tserver.py
@@ -0,0 +1,61 @@
+import socket
+import threading
+import pickle
+from algorithms import RSAalgorithm
+
+HOSTIP='127.0.0.1'
+PORT = 4396
+BUFF = 1024
+
+
+def SendMessage(Sock, test):
+    while True:
+        SendData = input()
+        (encryptdata, PrivateKey) = RSAalgorithm.RsaEncrypt(SendData)
+        print('encrypted data is ' + str(encryptdata))
+        Message = pickle.dumps([encryptdata, PrivateKey])
+        if len(SendData) > 0:
+            Sock.send(Message)
+
+
+def RecvMessage(Sock, test):
+    while True:
+        Message = Sock.recv(BUFF)
+        (recvdata, PrivateKey) = pickle.loads(Message)
+        decryptdata = RSAalgorithm.RsaDecrypt(recvdata, PrivateKey)
+        if len(Message) > 0:
+            print("receive message:" + decryptdata)
+
+
+# 获取本机ip地址
+def get_host_ip():
+    try:
+        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        s.connect(('8.8.8.8', 80))
+        ip = s.getsockname()[0]
+    finally:
+        s.close()
+
+    return ip
+
+
+def main():
+    HOSTIP = '127.0.0.1'
+    ServerSock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    ServerSock.bind((HOSTIP, PORT))
+    ServerSock.listen(8)
+    print("本机IP地址为",HOSTIP,"端口号为",PORT,",正在监听中")
+    while True:
+        ConSock, addr = ServerSock.accept()
+        print('connection succeed' + '\n' + 'you can chat online')
+        thread_1 = threading.Thread(target=SendMessage, args=(ConSock, None))
+        thread_2 = threading.Thread(target=RecvMessage, args=(ConSock, None))
+        thread_1.start()
+        thread_2.start()
+
+
+
+
+
+if __name__ == '__main__':
+    main()