In response to the urgent demand for imported metal ore from Wuxi（Jiangyin）Port,insufficient deep-water shoreline resources,and overloading of public terminals,a plan for the expansion and renovation of Terminal 5#?of the Port Group is proposed.The external berth will be upgraded to 150,000-ton class,while the internal berth will be upgraded to 5,000-ton class.Two berths at the entrance of the inner harbor basin will be transformed into bulk cargo berths,and a specialized bulk cargo transportation system will be added.The designed annual throughput capacity will be increased from 12.09 million tons to 39.03 million tons.The feasibility of the plan is verified from the perspectives of navigation safety and flood impact through methods such as ship AIS analysis and two-dimensional water flow mathematical models.The results show that the implementation of the plan will not significantly affect the natural conditions of the waterway,and the impact on the flood discharge and river regime of the Yangtze River is relatively small,but it will have a certain impact on other ships in the Jiangyin waterway.After argumentation,it is believed that the plan is feasible after taking relevant security measures.The plan can achieve the expansion and renovation of the imported iron ore terminal for foreign trade without increasing the shoreline length,which can provide reference for the expansion and upgrading of similar terminals.