The TCP/IP protocol in network programming was introduces, the Winsock architecture was also discussed, then the developing process of communication based on Client/Server model under the environment of Visual C++ was described.

For improving the management level of laboratory,this article introduced a way of designing and implementing the remote power-supervision system based on embedded system,and according to the system s characters,TCP/IP protocol was simplified,the teaching requirement was met,and at the same time the system s compatibility is ensured.