Abstract:Beiyue Temple, located in the southwest of Quyang County, Hebei Province, was built in the reign of Emperor Xuanwu of the Northern Wei Dynasty. It was a place for emperors of feudal dynasties to worship the God of Beiyue. The hall of De Ning can be called the treasure house of the culture and art of the Yuan Dynasty, which provides important material materials for the study of the architectural development of the Yuan Dynasty. And in the wall lining is painted with large murals of Taoism, extremely precious. However, due to disrepair and man-made damage, the partial mural is incomplete, cracked, even small area off. In this paper, introduce the restoration and protection plan of the wall mural in The hall of Dening is drawn up and successfully implemented by referring to the methods of removing and protecting the murals in Yongle Palace in Shanxi and Muni Hall in Zhengding, Hebei.