An evaluation index system of sustainable urban land use was established from the three aspects of resource environment

economic development and social harmony and the improved grey relational analysis was adopted to evaluate the sustainable urban land use in Hu'nan Province.Results show that:(1)The status of urban land sustainable use experienced from a lower level to a higher level in Hu'nan Province from 2000to 2010

but there was still a large space for improvement.(2)The most important factor affecting sustainable urban land use was the resource environment

followed by social harmony and economic development.(3)Overall

the gray relating degree for the three sub-goals increased

but the sub-goal of social harmony fluctuated greatly.To improve the level of sustainable urban land use

people should further accelerate the economic development

explore the potential of urban land use

optimize the structure of urban land use

strengthen environmental protection

speed up the urban traffic and infrastructure construction

and increase the proportion of land for public facilities.