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In this study, a complete set of solid waste management model is proposed for the environmental problems caused by the rapid increase of solid waste production and the imperfect management mode of small and medium-sized cities in the process of urbanization. The model consists of database construction and management scheme planning. The database includes spatial data and attribute data, and the management scheme is the process of resource utilization and terminal processing and disposal in the late management. This set of solid waste management model not only focuses on the planned region, Ankang City, Shaanxi Province, but also focuses on the process and difficulties of database construction and scheme planning, which is especially reflected in the combination of field research and remote sensing analysis in database construction to obtain local road data, community division, solid waste information, etc. The solid waste is divided according to the nature and use of various types of solid waste from the source, and GIS is applied to the scheme design to form a set of solid waste treatment mode supported by GIS that is more suitable for Ankang and similar small and medium-sized cities in the process of urbanization, so as to provide theoretical and data support for solid waste management in Ankang, to realize the optimal control and resource utilization of each step of solid waste from generation to terminal treatment, and serve as a reference for solving some solid waste problems in the development of other small and medium-sized cities in the process of urbanization.