The purpose of the water conservancy industry is to comprehensively consider and rationally arrange the control, development and use of ground and ground water resources to maximize safety, economy and efficiency. The problems to be solved in the planning of water conservancy projects generally include the following aspects: determine various governance and development goals according to needs and possibilities, select a reasonable project scale according to local natural, economic and social conditions, and formulate safe, economic, and convenient operation and management. Therefore, we should first do a good job in the investigation and research of the hydrology and hydrogeology of the river basin to be governed or developed, and grasp the distribution of water resources.