This research is aim to analyze the development of China’s environmental law. Firstly, it will talk about the establishment of China’s environmental law such as the history and background of relevant legal principles. Secondly, it will mention the development of China’s environmental law, which including that china government how to perfect the environmental law system. What is more, it will analyze the effects of environmental law by some cases and data in this part. Lastly, the importance of environmental law will be talked about.