This paper is based on the problems of difficulty in determining the location of practice teaching points on electronic maps, difficulties in multimedia knowledge distribution and complex and changeable field environment in previous physical geography and geology practice. The design implements a service system for physical Geography and Geology practice of Geodesy and Geomaticse, which is based on the WeChat Mini Program and combines the spatial database engine technology to solve the difficulties and problems in the above geological field practice process. This system can provide a platform for information inquiry and exchange for teachers and students in geological field practice, provide safety and decision-making assistance for interns. It has been applied in the 2022 physical Geography and Geology practice of China University of Geosciences, and provide reference and reference for relevant practical teaching and research.