International Telemetering Conference Proceedings / October 20-23, 2003 / Riviera Hotel and Convention Center, Las Vegas, Nevada / With the high-speed development of IT, the managing method of the vendor has been changed from the manpower management into the network management .The paper discusses the structure of vendor managing system based on Internet. And it introduces the important constitute part of the system in detail, which is called interface module, including the design scheme of hardware and software.