Based on the review of hot events on the Chinese internet from 2019 to 2020，this article analyzed the difficulties of the governance of online society，which includes the rights of teenagers being compromised，cyber bullying，online rumors，information disclosure and fake news. Besides，there are also hidden risks of the governance of online society，including government’s image being hurt by participating in and regulate live stream activities，digital gap leading to information inequality，international communication being lack of impetus，infringement of intellectual property rights and consumers’rights and cyber crimes involving with the help of new technologies. To tackle these difficulties and challenges，it’s recommenced that the government should strengthen global cooperation in internet governance，speed up the application of new technologies that help to detect the trend of public opinions，promote the concept of “Tech for Social Good”，improve the ability of public opinion management，strengthen the digital leadership of the government，build up the digital trust system，empower the development of e-government with block chain and improve citizen’s media literacy.