Sewage treatment has become one of the prominent social and environmental problems in the rapid economic development of China.Traditional sewage treatment can solve the problem of water pollution to some extent,but there are problems such as high energy consumption and severe pollution.Starting from the current situation of water resources in China,this paper analyzes the causes of water resources shortage,introduces the problems related to sewage treatment,and puts forward the new scheme of sewage treatment,aiming to promote the sustainable development of sewage treatment industry and protect the ecological environment.