The terrain of Qingyang City is low in the south and high in the north, with an altitude between 885 meters and 2089 meters. It has mountains, rivers and plateaus, alternating with ditches, hills and beams, and the plateau has a majestic and unique style. There are 12 large plateaus of more than 100,000 acres in the whole territory, covering an area of ??3.82 million acres. Dongzhiyuan Pingchou is a vast fertile field with an area of ??more than 700 square kilometers, spanning four counties and districts of Qingyang City. It is the largest loess plain in the world with the thickest soil layer and the best preservation. It can be called "the first loess plain in the world" .