By using the C2R model of data envelopment analysis (DEA) method, with the aid of the mathematical calculation of the MatLab software, the longitudinal evaluation of urban land use economic benefit of Changsha City from 2000 to 2010 and the urban land use economic benefit horizontal comparison with 10 other domestic cities in 2010 were carried out. The results showed that Changsha city land use economic benefit overall level is high in recent years, but there ar...