Abstract: At present, E-Government construction in China is promoting the depth and breadth. The construction of business application system in each region and department is also ascendant. “Pyramid Engineering”, Document Transmission System, Emergency Command System, Open Information Platform, Administrative Examine and Approval System and Social Credit System, etc., have been launched and achieved good social economic benefits. However, too many access points result in the lack of a unified access control mechanism; vertical and horizontal business applications coexist leads to the lack of an effective operational coordination; and each system working for their own causes the lack of uniform data transfer mechanism. As a result, data security will not be effectively protected, and exchange and sharing of government information will be constrained. This paper makes useful explorations to solve above problems and establishes a unified application platform of E-Government.

Key words: E-Government, data exchange, data sharing, SOA, security certification