zhejiang is famous for its water. it is beautiful because of its water and water. grasping the five water is determined by the objective development rule, the specific development stage and the purpose of scientific development. water is the basis of production, what type of production and industrial structure determines the water quality of what kind of water, water is the transformation of water, water is the ecological requirement, the net of qi and soil, must be integrated into the water, water is the ecology, water is the source of life, when the people wash their faces every day, drink when they are thirsty, irrigate and use when they are irrigated. water is the livelihood of the people. it can be said that the "five water co governance" is a policy with multiple gains. it will expand investment and promote transformation, which will not only benefit the environment, but also improve people's livelihood.