Abstract: In the study, it selected three areas pioneering in the marketization of forestry carbon sequestration trading, Beijing, Fujian and Guangdong to make a comparison with Heilongjiang. This study formed a system to evaluate the potential of forestry carbon sequestration trading marketization from six aspects-the ability of demand and supply, the foundation of the economy, the foundation of nature, technical support, policy support and the power of natural disaster prevention, establishing an entropy-weight TOPSIS model and ranking the four areas with final scores. In the comprehensive ranking, Heilongjiang scores was in first place. And in the single ranking, it had a significant advantage over the other three areas in the foundation of nature and the ability of natural disaster prevention, while it's at a disadvantage in the ability of supply and demand, the foundation of economy, policy support and technical support. To better the development of forestry carbon sequestration trading marketization in Heilongjiang, it took the measures including accelerating the construction of trading platforms, building a regional green finance system, perfecting the policies and regulations of forestry carbon sequestration trading and strengthening the relevant technical supporting system of forestry carbon sequestration.