Abstract:Green development is the harmonious development of economic growth, ecological protection and social welfare. Only adhering to the green development, can China"s economy maintain sustainable development. Based on reviewing the research on green development status in our country and abroad, this paper expounds the general situation of green development in China, then taking Zhejiang Province as the research object, construct the grey entropy evaluation model, evaluate the green development level of Zhejiang Province in 2011-2015 .The results show that: in recent 5 years, the level of green development in Zhejiang has increased year by year. Before 2013, the environment is the main factor to promote green development. After 2013, economic development is the main factor to promote green development. Finally pointed out that the regional green development not only need to adhere to the ecological civilization oriented, improve laws and regulations, increase investment to promote scientific and technological innovation, strengthen publicity and education, but also to play local advantages and local characteristics.