In this paper, the technology and the approach of municipal sewage reuse are reviewed, economic returns and environmental returns of reuse are analyzed, some problems and the developing prospect of municipal sewage reuse are introduced at last.

• 对城市污水回用技术、回用途径展开了综述，并对回用的经济效益和环境效益进行了分析，最后介绍了城市污水回用中存在的一些问题以及发展前景。