Abstract:For sharing information in auction, and increasing the flexibility, reliability, security and haleness of the application, the auction system is analysed on internet in existence, its deficiency is poinled out, a scheme of auction system based on the JXTA is designed, and the P2P technology and characteristics of Web service so as to exchange the information are combined. It is also a supplement and amelioration to the scheme of auction system on the Internet in existence.