Abstract: Geological data management is a highly policy-oriented work.Through the policy research, formulation, and implementation, geological data management can be effectively promoted to focus more on national strategic goals and social development needs.Aim to solve the problems in the actual work of geological data management, this paper starts with the research on the current situation of geological data service policy, and combines the current characteristics of geological data service, the problems existing in social service are analyzed from six aspects, the service policies in the new situation are researched, and the corresponding strategies are put forward from three aspects:enhancing basic services, promoting development and sharing, and strengthening capacity building.At the end of this paper, cases of service practice are given in combination with the work of national geological data center.Through the research and practice of geological data service policy, it is of guiding and reference significance for the collection institutions of geological data at all levels to further improve their service ability and level.