Abstract:As China's emerging strategic industries,the environmental protection industry is essential for the development of the national economy. In this paper, we selected data from environmental protection industry of 31 provinces and autonomous regions, using factor analysis to analyze and evaluate the environmental protection industry of China's eastern, northeastern, central and western regions. The results show that China's environmental protection industry more competitive mainly concentrated in the eastern coastal provinces, the economically developed Yangtze River and central regions, which is consistent with the level of economic development in the region; environmental investment and government support are the main factors affecting the development of environmental protection industry. Based on these conclusions, we recommend suggestions and countermeasures to promote the development of environmental protection industry.