In recent years，ecological and environmental issues have been standing out as one of the important problems facing the community of a shared future for mankind. Environmental communication is one of the main tools of ecological public relations，which cultivates and enhances public awareness of environmental protection and encourage public participation in environmental protection. Based on the content of environmental communication published in 2021 by the domestic and foreign major new media platform account “SASAC”，and data of netizens’ interactive behaviors such as praise，comment，forwarding and broadcasting on various platforms，this study sorted out 100 operation cases with many interactive data for observation and analysis. It was found that，as a new media of national government affairs，the communication practice of “SASAC” features：effectively improving the communication effect via multi-platform communication by adjusting measures to medias；communicating by stories and promoting emotional identification through psychological approach；expanding information communication by using clever marketing thinking and online celebrities’ guidance；carrying out public opinion guidance，and outputting ideas by means of public opinion interaction；exploring overseas communication and shaping the image of credible，lovely and respectable Chinese enterprises. “SASAC” has actively practiced environmental communication and achieved good communication results，which has played an important role in promoting the consensus of the whole people on environmental protection and enhancing the environmental protection image of state-owned enterprises and China.