Due to the characteristics of convenient materials, easy to adapt to different climates, and clear division of load-bearing and maintenance structures, ancient Chinese architecture is mainly based on wooden frame structure, and wooden frame has three different structural modes, such as beam, punch and well dry, and beam type is widely used, ranking first among the three. Wood can not only be used locally, but also easy to process, China's vast territory, from the south to the north across three climatic zones, the structure of the wooden frame, due to the load-bearing and maintenance of the division of labor is clear, and the thickness of the wall, the height of the house, the position and size of the window, etc., in order to adapt to different regions of the cold and warm changes flexibly.