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The rapid developments of the application of GIS and INTERNET technology makes sustainable development information sharing and service through Internet possible. In this paper we first analyze the advantage and great significance of the sustainable development information service through INTERNET in China. Then the architecture of the Chinese sustainable development information service system is introduced, which is comprised of a master service center, four distributed slave service centers, a series of standard and software systems and so on. The key technology of the system is also stated, which includes the distributed information search technology and the distributed geographic information issue technology. The application of the system has validated the feasibility of our research achievement.