Abstract:The construction and restoration techniques of ancient buildings in Miaoying Temple and Sichuan in Hezhou are state-level intangible cultural heritage. Dougong, as a typical element and important construction feature of the ancient architecture of Baita, has nine kinds of triangles, quadrangles, hexagons, octagon and many kinds of styles. By taking part in the construction activities of White Tower carpenters, the author makes a systematic study on the structure, construction practice, material proportion, construction logic, technological features and causes of formation of all kinds of Dougong in this school, on the one hand, it complements and deepens the research on Dougong in the history of architecture, and on the other hand, it is of great significance to the rescue protection of Miaoying Temple River's traditional building techniques.