摘要：Based on wood structure of ancient buildings in China,the paper considers that Chinese ancient people have selected wood as the architectural material due to its characteristics and some *** the analysis of architectural features of traditional settlements,it has found that Chinese ancient people tend to draw on local materials for ***,it further analyzes the adaptability of Chinese wood structure,and the flexibility and complexity of its plane *** combining with Chinese's life value,the eternal significance contained in wood structure has been explained based on material and spiritual *** the perspective of natural selection,technological advancement,spatial advantage,spiritual value and aesthetic need,the paper tries to find causes for wood structure as architectural materials,aiming to objectively treat the effort of Chinese ancient people made in the progress history of human civilization.