Research on Shibboleth System Wei Rong1,2, Liao Zhensong3, Huang Xuepeng2 (1. International Software School, Wuhan University, Wuhan Hubei ,430071; 2. Information Technology Department, Hubei Police College, Wuhan Hubei ,430034; 3.Cluster and Grid Computing Lab, School of Computer, Huazhong University of Science and Technology, WuhanHubei ,430074) Abstract How to securely access distributed web resources and reduce the burden of authenticating the users is a key problem to the grid application and development. In the paper, the resolution of Shibboleth based on the analysis of existing ones is presented. At the same time, components ant its functions as well as the work flow of Shibboleth are introduced. Then the characters are given, including the future work. Key Words Shibboleth, SAML, Single-Sign On, Authentication