Aiming at the present situation of remote image monitoring and manual monitoring for the operation and management of the Three Gorges and Gezhouba ship lock,we study the application of ship’s precise positioning in the lock chamber and computer vision technology,including the influence of the hydraulic structure of the lock chamber on positioning,the operation detection of the mooring column in the lock wall groove,and the structure of the intelligent berthing system.The research conclusion is that the application of the above technology can basically realize the near real-time and continuous tracking display of the ship’s position and trajectory in the whole process of lock-passing,effectively detect and judge the ship’s mooring situation and berthing position,and basically realize the intelligent supervision of ship’s lock-passing through the simulation interface of management terminal,information push and other functions,so as to improve the operation of lock.It is of great significance for improving the management level and the efficiency of overturning.