Abstract: Abstract：In order to achieve the target of the national geological data sharing services, this paper based on the existing geological data management and service architecture, first analyzed the current situation of the geological data management and service in the geological data collection agencies, and then designed and dealt with the architecture of national geological data catalog service center system. The authors provide the overall technology roadmap, functional framework, database schema, and point out the key issues that need to be addressed, in the hope that, with the research work, the geological data resources from various agencies will be integrated, and diverse service styles will be offered to the public.