The river system of Nanbeiting is one part of the ecological clean minor drainage basin management in Putuo District. The current environmental situation is completely investigated and the root of the problem is analyzed. According to the goal of ecological clean minor drainage basin management, a series of management measures such as the external pollution control, internal pollution reduction, water quality improvement and water ecological restoration are studied and put forward in order to realize the steady improvement of water quality of the Nanbeiting river system and the gradual perfection of ecological system. The goal is to build a river ecological landscape with clean water, green banks and beautiful scenery.