In this paper, based on defining the concept of ecologi-cal civilization, land recycling and internal relations, got help from the statistical data for 2011-2015 in Changsha, principal compo-nent analysis was used for the purpose of building Changsha land recycling evaluation system, and the level of development of their land recycling was evaluated. The results showed that:the level of development of Changsha Land recycling was upgraded; In 2011-2015 Land recycling levels increased year by year, After 2013, the growth rate reached a maximum. Economic factors was a major limiting factor which ...
