Abstract: Geological data management and service of South Central China changed the geological data collection expression from single way in the past to use the database, books, the album and website to exhibition. The data integration, data extraction, database construction, data dissemination system development techniques and methods were used to explore the development and use of geological data, and to provide a variety of retrieval means to change the service mode of geological data. The previous passive form of service was completely instead by the internet publishing, active window reception, active release, electronic reading room building, etc. More effective public service of geological data was carried out in South Central China.