With rich experience of sustainable construction, Sichuan vernacular architectures are gradually formed in a long Construction period, during which the ancient adapt to natural environment and social conditioning. This thesis summarizes some ecological characteristics of Sichuan vernacular architectures and refines some sustainable characteristics of architectures construction. By using an empirical approach, the sustainable measures of vernacular architectures are preliminarily summarized. The sustainable experience concerning Sichuan vernacular architectures, such as layout, lightening, ventilation, dehumidification, damp-proof and materials selection of roof, are expected to bring some inspirations to modern community construction.