The number of the religious architecture makes up 70 percent of the total of existing traditional buildings in China, in which the largest proportion is the Chinese Buddhist architecture, this paper has been studied in this kind of building. Firstly, the religious background and development history of the Chinese Buddhist architecture is introduced, and this paper puts forward that this architectural form was affected by the ancient folk houses. Compared to Buddhist architecture in other countries, they are majestic in shape and beautiful elaborate in decoration, the whole form and nature landscape melt into one another. Secondly, religious spaces are analyzed, including the location of Buddhist temple, the overall layout and the single building. Most temples were built on the hill, and the Buddhist hall is the center of architectural complex. Single building is very similar, and its position is attached to its status in spatial sequence. Thirdly, the design concept of Buddhist architecture was discovered. It was pointed out that Chinese traditional philosophy, i.e. the view of the nature, determines the space composition inside and outside of Chinese Buddhist architecture. At last, the paper summed up the design of Buddhist architecture and gave a prospect about the way of its future development.