The Maowusu Desert is one of the four major sandy areas in China. It is located between Yulin area of Shaanxi Province and Ordos City of Inner Mongolia Autonomous Region, covering an area of 4.22 10,000 square kilometers. It is located at 37°27.5′ ~ 39°22.5′ ~ 107°20′ ~ 111°30′ ~. Including the southern part of Ordos in Inner Mongolia Autonomous Region, the northern wind and sand area of Yulin City in Shaanxi Province and the northeast of Yanchi County, Ningxia Hui Autonomous Region. There is more precipitation and favorable plant growth. It is originally a more developed area for animal husbandry. The area of fixed and semi-fixed dunes is large. The Great Wall runs from east to west through the southern edge of the desert.