The effect of the navigable ship on the bank is not involved in the design of port.With the development of the shipping business and the trend of lager-sized ship,there are more and more effects of the ship on the port.We summarize the navigation conditions of large ships near the port or channel,and use the British standard CIRIA C683 in the calculations of ship wave,analyze the effect of the sailing vessel on the port,and point out the situation of ship traveling wave in the port design.