China's rapid economic growth has caused serious ecological problems, and people are deeply aware of the bottleneck of resource and environmental problems on China's economic development. Therefore, We must develop green economy. This article is based on the connotation of green economy, which is combined with domestic and international authoritative institutions classic view of high-frequency indicators and the indicators in the relevant literature, and establish the evaluation index system of green economy. In the end, this article employ the method of principal component analysis and cluster analysis to study green economy development on the province-level regions in China.