The new media environment reinforces the information transfer，information supervision，social coordination and Social inheritance features of the environmental field. Typical environmental events reflecting the environmental transmission situation and problems illustrate that discourse power，expression path，media ecology has undergone structural changes in the new media environment. In this scenario，to improve performance of the media environment spread，we must turn to assume the three responsibility：①Using the new media to complete the information communication，public opinion supervision，social comfort duties in the spread of environmental events and issues. ②In the process of “cultivating health ethics”，we should complete the daily social mobilization and public education in the internal and improve the environmental image in the external. ③In the environment construction of “social community” act as the driving force of social to reach the goals of communication，coordination，integrated society.