Abstract: Geological database, the collection and integration of survey data, is an important manifestation of geological survey informational construction. With the incessant accumulation of geological data resources, the integrated exploitation and application of multi-source data information for the purpose of application will become the motivation of national geological work, and provide better service for scientific research and public society. This paper discusses the generation of multi-source geological data and the integration methods, as well as the realization of multi-source data integration technological base and application based on GIS softwares.