According to the decreasing law of land compensation, this paper analyzes the change path of urban land use efficiency under different economic development levels, and puts forward the Kuznets curve effect hypothesis of economic development and urban land use efficiency. Based on the data from 2001 to 2016 in 12 prefecture-level cities in Hubei Province, the data of land use efficiency were measured by data envelopment analysis method. The results of unit root test, co-integration test and panel data model were used to validate the Kuznets curv...