The achievements and experience of the Yangtze River basin’s waterway construction is expounded based on the practice of planning and construction.According to the demands of economic development and arrangement of hydro-power，this paper puts forward suggestions on achieving navigation of the downstream waterway of Jinsha River:taking the Three Gorges project’s for reference to construct ship lock or ship lift in Xiluodu,Baihetan and Wudongde hydro-junctions,and construct reregulating reservoir and increase the flood control limited water level of the reservoir to deal with the channel regulation of the reservoir’s fluctuating backwater area reservoir and realize navigation along the whole reach downstream Jinsha River.