In this study, we conducted a field survey of Buddhist temples, Taoist temple, and Shrines with One bay tpye with under roof in Sichuan Province from 2010 to 2019. We surveyed and photographed a total of 12 buildings, including important cultural relics and well-preserved structures at the national, provincial, and municipal levels in the Ming Dynasty, and created a plan view, compared and examined the planes, frames, tokyous and ceilings, and clarified the architectural characteristics of the Buddhist temple with One bay type with under roof of the ministry.