Abstract: As a provincial geological data center, Inner Mongolia Geological Data Center is responsible for the collection, identification, storage and provide services.Through twenty years of efforts, the information system construction in Inner Mongolia has made great achievements.By using modern information technology to integrate the existing resources, the big data of geological has been built, and the whole process information management and service of geological data has been realized through upgrading, improving and adding with functions on geological data and management service information system.Also the one stop shopping service of geological data has been built.