Driven by the concept of green development，China’s efforts in preventing and controlling of pollution continue to increase. In the first three quarters of 2021，although the issuance scale of ecological and environmental projects income special bonds remains regionally differentiated，the total amount issued is more than 100 billion RMB，the issuance period is mainly medium and long-term，and the issuance rate is slightly increased. The ecological and environmental protection special bonds financing projects are mainly at the district level，the proportion of special bonds to capital in such projects is relatively high，but the scale of special bonds used as capital is not large. Overall，ecological and environmental special bond project financing has a good coverage of principal and interest，and relevant local governments can provide strong credit support. In the future，benefited from the policy and the need for funds，the issuance scale of ecological and environmental special bonds shall be further expanded.