With the accelerated application of AI，big data，5G and other technologies，the rapid development of smart media has promoted the evolution of new media forms and reshaped the media ecology and network public opinion pattern. The participation of young Internet users，urban and rural residents have promoted the change of the structure of Internet users in China. The temperatures of public opinion on public health emergencies，enterprises，science and technology，network supervision，international affairs and other related types of issues are on the rise. Internet information communication has gathered increasing positive energy，while micro videos and intelligent media will continue to deepen the ecological impact of public opinion. Urban image communication has been put on the agenda，and the service of media convergence centers and government new media has been upgraded. In conclusion，the ecological governance system of network information content has been improved.