The Three Gorges Project (TGP) is a vitally important and backbone project in the development and harnessing of the Yangtze River. Since TOP started eight years ago, a matured and complete quality assurance system has been established with the whole process, full direction and sliced quality adiminstration. The quality of the project has been controlled effectively and the result is quite good and accords with the require-ments of design. Based on a detailed introdution of the TGP quality assurece and quality control, the paper give some suggestions and views about the work in the future.