Abstract: A landscape of granite hoodoos can be seen well developed in Beidashan of the Daixingainling mountain range in Keshiketeng county,Inner Mongol Autonomous Region.Granite hoodoos are formed by freezing,weathering,aeolation of the jointss and crackes developed in the granite.There can be distinguished four stages in their formation:glaciation,freezing weathering,aeolation and planation.It is a new type of the granite landforms,often occurring in an expense of land several hundred metres long,decades of metres wide 5~20 m high,with some individual pillars standing as high as over 20 m.They are very specular,grotesque,sometimes one linked with another to form a fantastic screen.It is forming an attractive item of tourism geology.