The ARTIS has been installed and well performed for over 10 years. During this period, because of the improving of the PC hardware and software and great utilization of Internet, ARTIS must be re-designed. On the PC operation system, Windows NT and its continued versions become the most popular system. The thread concept also changes the structure of the software. The key point of this paper is to point out how to use thread concept and message driven model to construct a test equipment server.