Based on the effect of high piled wharf construction on navigation safety of inland waterway,and navigation conditions of the Xiangshui high piled wharf project in Jiangsu,this paper analyzes the occupation waters of the construction vessels in different construction stages,such as dredging,piling,precast member hoisting.According to ship flow in inland waterway,it proposes the appropriate assurance measures of navigation safety,so it can ensure the channel unobstructed and navigation safety in high piled wharf construction stages.