In the new era of digitalization marked by communication and information technology of new generation such as artificial intelligence and 5G，the security threats with new types which the information society is facing rapidly increased，showing a trend of expansion，diversification and intelligence，and another problem is the serious shortage of security managers. Therefore，the challenges of Internet governance is multiplied，and the governance principles and methods need to be upgraded. Artificial intelligence has the humanization and intelligence，so it can efficiently help humans to quickly perceive and identify threats. Furthermore，AI can also comprehensively analyze the causes，and take action strategies in a timely manner. The logic of “thinking and acting like humans” is consistent with the logic of Internet security protection and Internet governance. Based on the analysis of the threat trends and the advantages of artificial intelligence technology，this paper aims to share the patterns and practices of the application of artificial intelligence technology in the field of Internet governance such as public opinion monitoring，combatting online rumors，bad and fraud information detecting，and security situational awareness.