Inter-function relation between cities along the Yellow River in Ningxia:from the perspective of city flow

Ningxia lies in the less developed area of China’s west.Supported by the existing urban agglomeration,to speed urban development is the key to Ningxia’s economic development.By the method of city flow,this article studies on the element flow of cities of Ningxia along the Yellow River.It points out that the city belt along the Yellow River in Ningxia develops at its first stage and depends heavily on the flow of capital and human capital.It is also concluded that in order to strengthen the intensity of city flow it should improve the third industry development while boosting economic development.