In order to implement the water-resources’ management-system identified by new “water law” in a combination of watershed management and regional administrative management, each river basin explores the road of management-system reforming. In this paper, the Pearl River, Liaohe River, and the Yangtze River, as the analysis object, we studies on their approach to combining watershed management and regional administrative management by “equal communicating”, “centralized” and “selective focus” and their features in management- system reforming and then summarizes the common trends and experiences in the three river-basin’s management-system: To establish a watershed management-system according to local conditions, improve the construction of the supporting legal-system, enhance the role and status of river-basin management-institutions, to build multi-stakeholder platform and mechanism. The reforming experiences can be taken as reference and demonstration to other watershed management.