Abstract:Jingning is the only autonomous county of She ethnic group in China. She ethnic group mostly live in the deep mountains and dense forests with blocked traffic, and are rarely influenced by the outside world. Therefore, the wood construction techniques used in folk house of She ethnic group still follow the traditional construction techniques. Collected the section data of folk house of She ethnic group through field study, separately described the section classification rules extracted from the similarities and differences presented in many sections, next analysed the section archetype of folk house of She ethnic group in Jingning with both local master carpenters’ hand-drawn plates and folk construction books, so as to understand the construction process of folk house of She ethnic group from conception to realisation. In addition, this research also analysed the causes of section classification rules from two perspectives involving subjective impacts of human and objective impacts of nature. Finally, the classification rules and section archetype obtained from this research were compared with those of Taishun, Wenzhou and Ji 'an, Jiangxi, thereby clarifying the origin of the section construction technology of folk house of She ethnic group in Jingning and the surrounding areas, which could contribute to providing technical basis for the positioning of the region and the local rural revitalization construction.