A wave damage accident was caused when the shipping ship was traveling from north to south through the east side of Jinshan Zhangjing River terminal of Shanghai Weihao Storage and Transportation, which resulted in the sinking of a small attached boat inside the terminal. One of the crew members was killed and another seriously injured. This paper analyzes the law of ship traveling waves produced by ships on the sea, analyzes the process of the wave damage accident, and puts forward some suggestions for ship handling in narrow inland waters.