Abstract:At present, the control of black-odor water body is a hotspot direction in the water environment treatment, and the source control and pollution interception are the key to the treatment of black-odor water body. Due to the complex situation of sewage outlet, how to adopt the effective treatment measures for solving the problem of sewage outlet is also to puzzle the designers of water environment treatment. Through the case of Xinzhen River Black-odor Water Body Treatment Project in Qianhaiwan Water Environment Relation, it is found that the detailed survey and inspection of sewage outlet, and mastering its practical function in the drainage system can obtain the effective treatment countermeasures.