Shenmu County, as early as four or five thousand years ago, has been settled by human beings. According to the census, there are several Yangzhao and Longshan cultural sites in the Kuye and Tuwei River basins. In summer, the county territory belongs to Yongzhou, occupied by fumigation. Shang is the place of dragon. In the Zhou Dynasty, the Linhu people occupied it. In the Spring and Autumn Period and the Warring States Period, Baidi's native land is located in the county.