Nan Chuan River is tributary of Huang Shui River. Affected by natural condition and human factor, some problems exist such as lacking flood carrying capacity, sewage straight discharge, big sediment concentration, wetland degradation, lacking landscape. Our team undertakes comprehensive improvement of related river channel. We implement projects as flood control project, sewage interception pipeline project, gallery rehabilitation projects and river landscape projects, to form integrated flood control system, to rehabilitate river channel, to reduce river ecological impact by sediment accumulation, and to create a comfort –living ecological environment, and to realize a sustainable utilization on land and water in project area.