《河套图考》载:“河以套名,主形胜也。”在明代及以后的汉文书籍中,将鄂尔多斯地区多称为“河套”。“长城外、黄河大曲之内,即河套也。”首次使用“河套人”这个名词的是我国考古学家裴文中先生。在上个世纪二十年代内蒙古萨拉乌素河一带,发现了一颗石化程度很深的人的上门齿 “Hetao map test” contains: “The river to set name, the main shape wins also.” In the Ming Dynasty and later Chinese books, the Erdos area more known as the “Loop.” “Outside the Great Wall, within the Yellow River Daqu, that is, Hetao.” For the first time, the term “Hetao” was used by our country’s archaeologist Pei Wenzhong. In the twenties of last century, Inner Mongolia Sara Wu Su River area, found a deep degree of petrified people’s home teeth