The ecology of online public opinion is the environment in which online public opinion is generated. It is a systemic state composed of the main body of public opinion，content of public opinion，carrier of public opinion，and social background. It is the most intuitive reflection of social mentality and a manifestation of the level of social governance. In recent years，The ecology of online public opinion has undergone major changes，which have positive aspects and some problems. The network public opinion ecology is systemic and social，and its problems cannot be solved by one-way regulation. Improving the ecology of online public opinion is the common responsibility of governing the community. Only when everyone does their part and suits their needs can the ecology of online public opinion enter a healthy track.