China’s mobile Internet has turned to be the major field for generating and fermenting public opinion. Micro-blog still enjoys great influence in public opinion while WeChat becomes more valuable for public opinion dissemination and news applications are growing up into a new space for public opinion. Compared with traditional public opinion filed，mobile Internet with Microblog，Wechat and news applications combines an explicit and implicit sight，which shows some new characteristics. With the maturation of media convergence and progress of network governance，media on mobile Internet will play a more effective role in publishing information，setting agenda and focusing public opinion.