The CPC Central Committee and the State Council issued the outline of the National Water Network Construction Plan, which covers the period from 2021 to 2035. By 2025, a number of backbone projects of the national water network will be built, the construction of the national backbone network will be accelerated, and the water networks of provinces, cities and counties will be implemented in an orderly manner. efforts will be made to make up for the shortcomings and weak links such as the allocation of water resources, urban and rural water supply, flood control and drainage, water ecological protection and intelligent water network. The capabilities of flood and drought prevention, saving and intensive utilization of water resources, optimal allocation of water resources, ecological protection and management of major rivers and lakes have been further improved, the intelligent level of water network projects has been improved, and the national water security capacity has been significantly enhanced.