In view of the problem of the safety assessment for the wharf hydraulic structure impacted by ship，we combine with the example of the collision between ship and wharf，and the on-site inspection results of the wharf structure，calculate the impact force of the ship out of control by using three kinds of industry-standard formulas of water transportation，highway and railway，calculate the stability of wharf hydraulic structure impacted by ship，comprehensively evaluate the safety and applicability of wharf hydraulic structure impacted by ship，and put forward the repair treatment of the damaged parts and the monitoring measures in the subsequent operation period. The results show that the safety assessment grade of the pier structure of the impacted wharf is A，and the structural applicability evaluation grade is B. The safety assessment method can provide scientific basis and technical support for accident identification，damaged structure repair，and terminal operation.