In 2017， the mobile public opinion field was still hot and became more diverse and complex. New media technology innovation and diversified platforms have brought new changes to the production and fermentation of public opinion. Microblogs， WeChat， News APPs and youth subculture platforms have formed resonance in the mobile public opinion field. Mobile live and micro video have enhanced the penetration of public opinion. The knowledge community has been a new variable that affects the mobile public opinion field. Although the characteristics of hot issues in mobile public opinion field are diverse， the overall principles inherent are gradually becoming clear and identifiable. The norms and governance of the mobile public opinion field have been more and more normalized. The response and adjustment of emotional appeals of netizens will be new difficulties. Network governance according to law， the multidimensional spread of positive energy， guidance of the media toward a positive culture oriented development are focal points within the management and regulation of the mobile public opinion field.