简要介绍了三峡双线五级船闸的总体设计及总体布置，高水头船闸的输水技术，全衬砌船闸结构的关键技术问题，大型人字门及启闭设备和复杂运行条件下的监控技术。船闸自2003年投入运行，运行实践证明，设计采用的技术先进、合理、可靠。三峡船闸的设计建设，发展了船闸工程的设计理论和实践，使世界船闸工程技术达到了新水平。

The general design and layout of the double line five step ship lock , the water delivery technique for high head ship lock, the key technical problems of fully lined ship-lock and the monitoring techniques for large scale miter gates and hoisting equipment under complicated operation conditions of the Three Gorges Project (TGP) are introduced. Since the operation of ship lock in 2003, the operation practice has proved that the design techniques are advanced, rational and reliable. The design and construction of the fully lined ship lock promotes the development of design theory and practice of ship lock projects, which makes the construction technology of ship lock in the world reach a new level.