In the waterway regulation project of Luyu section,the right channel of the Shenbeizui Shoal is dredged as the main channel with remarkable effect in the early stage of regulation.In view of the adaptability of the channel conditions after the large-scale ships in the upper reaches of the Yangtze River and the evolution of the Shenbeizui Shoal for more than ten years,the channel conditions of the Shenbeizui Shoal are analyzed and evaluated based on the evolution of the channel,the change of the shallow area,the diversion ratio,the velocity gradient,the adaptability to ship development and channel planning.According to the evaluation,there is siltation in the navigation channel.In view of the phenomenon of steep slope and rapid flow exist in each stage of water level,the maintenance measures that the discharge section should be enlarged and the elevation of some regulation buildings should be raised appropriately in special period are put forward.