Abstract: Under the background of ecological civilization construction, natural resource management is facing new requirements and challenges. Focusing on the realization of the “two unifications” of the Ministry of Natural Resources, a unified base map is the basis and prerequisite for carrying out various tasks of the department. The third land investigation is the latest and most comprehensive land investigation since the establishment of the Ministry of Natural Resources, laid a solid foundation for unifying the base map. This paper proposes to carry out the data integration of “basic investigation and special investigation” and “status and management” step by step based on the results of the third land investigation.So as to form an application base map that supports the management of natural resources.

Key words: the third national land investigation, natural resource, base map, integration