The legend of Emperor Xuanyuan Huangdi is a legend about Emperor Xuanyuan Huangdi, the "ancestor of Chinese humanities", which is widely spread in Pinggu area, relying on the tomb mountain of Shandongzhuang Village, Shandongzhuang Town, Pinggu District and the nearby Xuanyuan Temple. Typical legends include "Legend of the Battle of Banquan" and "Story of Longwo". The legend of Emperor Xuanyuan Huangdi is not only a witness to the long and rich history of Beijing, but also expresses the remembrance and respect of the descendants of Emperor Huangdi for their ancestor.