This is an article about the light designs behind the Buddhist statues at the beginning and in the prosperous of Tang dynasty in Guangyuan . The expression of light patterns behind the Buddhist statues is created a typical case of aesthetics in ancient design arts , and becomes the most brilliant view in the history of design arts in China. At the same time, it is one of the signs of the Buddhist developments in China. The author observes and studies on the spots of Qianfo precipice and Huangze temple in Gu...