Abstract: In service-oriented computing, service discovery is the key. Service discovery technology is the basis of Web services composition and real-time construction of application. In recent years it has obtained the academic and industry's attention,related technology after another. We firstly analyzed the current research results of Web Service Publication and Discovery technology and carried out a systematic classification. Next, focusing on the perspective of semantic fca-ture publication,we discussed current major research results of WSPD in P2P system in detail. Finally we concluded the general characteristics of current SWS publication and discovery based on P2P network, as well as the major research oblectives,research questions and challenges in the future research.

Key words: Web scrviccs,Scmantic Web services(SWS),Peer-to-Peer(P2P),Scrviccs discovery