At present, carbon emission management is in the early stage of development, and the effect of carbon pricing mechanism is not obvious. By analyzing the operation of global carbon pricing mechanism, it is found that China's carbon pricing mechanism has some problems, such as low price, narrow coverage and imperfect supporting policies. Finally, drawing on the experience of developed countries, some policy suggestions on the development of China's carbon pricing mechanism are put forwardfrom the aspects of increasing carbon price, increasing coverage and improving supporting measures.