With the development of digital technology and media reforms, the trend of media convergence has become clearer. The way of opinion expression presents some new features, such as combining narration and commentary, combining script, voice and pictures, and combining traditional language and Internet language. It makes public opinion more diverse, but also brings some problems, like disordering and group polarization. In this situation, the regulation of the government, the guide of the media, and the self-discipline of people are all important.