With the development of economy and society, the world has entered a low-carbon era. As the largest developing country, China holds the largest gas emission right, and has a huge market potential for carbon emissions. This paper reviews the situation of China’s carbon emissions trading market, and describes in detail the progress of carbon trading pilots. Then, it summarizes the carbon trading rules of seven pilots and analyses the problems in China’s carbon emissions trading market. Finally. it gives suggestions for next work. Meanwhile, combined with relevant national policies, it analyses key industries with carbon emissions, the challenges faced by them in the carbon trading market, and also offers strategies for key industries.