During the procedure of the Region-informatization, various kinds of challenges need to be faced. As the main roles in the construction process, Governments, Universitiesï¼Œenterprises build their own information systems which cannot be interoperable due to lack of interconnection standard. So these systems â€˜effective data-sharing mechanism is a key issue.. In this paper, from the top design of informatization eco-systemï¼Œwe are going to discuss the roles which these participant play and the mechanism which these participantsâ€™ system to interconnect, so that we can improve the development of Region-informatization. We take the Authentication System built in Shanghai Education as example and show the process, design, implementation and the current situation in detail.