For a long time, with the features of "high consumption, high emissions and high expansion", this non-green urbanization is to aggravate resource and environmental pressure in China. With the advent of the city-dominated society, the traditional mode of urbanization is increasingly unsuited to the requirements of scientific development. Currently, Guided by the Scientific Outlook on Development , to implement the concept of green development, it's urgent to comprehensively accelerate the transformation of urbanization toward a new pattern, to promote the coordinative development among the urban population, economy, resource and environment, and characterized by "resource conservation, low-carbon and emission reduction, environment friendly, high effective economy". <<