Abstract:In ecological geochemical survey of the lower reaches of the Yellow River in Shandong province, by using computer databases and GIS technology, and regional geochemical database information system developed by the Development Research Center of China Geological Survey Bureau (GeoMDIS), ecological earth and chemical survey database of the lower reaches of the Yellow River in Shandong province has been established, collection, storage, update and statistical analysis and management of various types of sample data have been realized. It will provide an effective information platform for services in the government's macro decisionmaking and planning of land and resources, agricultural reconstruction, ecological environment improvement, monitoring, governance and evaluation by using these data in the future.