In the light of rigid constraints of insufficient water supply conditions, following the principle of
"need for the set", integrated use of administrative, institutional, economic, and policy and other
management tools to regulate behavior of human resources utilization inhibit, it needs to realize the
excessive growth of water demand and to achieve optimal allocation of limited water resources and
sustainable use. In view of Chinese severe water crisis, water demand management is an effective solution.
It allows people’s knowledge to turn from the traditional ideas which water resource is the "public good"
to become a "financial product".