In
Ming Dynasty,about the exploration of the Inner Mongolian Western area,the process was temporary and the influences which
were coursed by the humanbeing was limited.The distributive power about the Ming and the Mongolia showed that the Ming central government hadn't governed this area for long time.The Ming Royal set up some governments called Wei to control this area.After the Zheng Tong 14's Tumu Coup,some of the Wei were abolished,others moved.The Ming's orbit withdrew to Datong,Pianguan,which is the trace of today's Ming Great wall.Tumo Plain and Manhan Mountain were abandoned.For the Erduos,the Ming Royal had never established government to control this place. The Erduos' ecology was delicate,and from the beginning of the
Ming Dynasty to Zheng Tong,nearly 70 years,no people explored this place.From Zheng Tong to Cheng Hua 8,during this period,only planting at Yulin and other 22 barracks.After that,the Ming's soldiers and people had stopped the mass and centralized exploration on the Hetao and the southern area of the Maowusu Desert.Consequently,the history materials mentioned the problems in the Wan Li period,such as the sand stuffed up the side wall of the Yansui Middle Road and the fierce
quicksand of the southeast area of the Maowusu Desert factors.