The occurrence and spread of COVID-19 in 2020 has been greatly affect the national economic development and social stability，it also put forward new requirements on the construction of ecological civilization. The concept of “harmonious coexistence between humans and nature”，people’s demands for healthy food，fresh air and clean water and the importance of environmental protection have become more and more prominent. After the epidemic，Changjiang Middle Reaches Megalopolis which is China’s “green heart” should make further efforts to improve the ecological and environmental governance system and promote high-quality development with high-level environmental governance.