As the summer weather of Chongqing, which is called one of the national known"Three Ovens", is extremely sultry, shading device as a kind of valid measure lowering indoortemperature has practical value to this region. At the same time, it's good to improve the quality of interior environ-ment and reduce energy consumption of building. Basing on the introduction of foreign advanced achievements of the construction visor design and analysis on the main form of shading system in Chongqing at rresent, this paper sums up the prob-lems and made a ppreliminary discussion about how to improve the construction visor design in Chongqing area.