Intelligent fact checking is an important method to deal with the proliferation of false information on the Internet. The development of intelligent fact checking in western countries was jointly promoted by media organizations，technology companies，and third-party verification agencies. China adopted a “top-down” model，with government regulation and guidance，technology companies responsible for the development and application of intelligent verification procedures. During the COVID-19 pandemic，technologies such as big data，artificial intelligence，andblockchain played important roles in the verification and dissemination of epidemic information. However，intelligent technologies cannot completely take over the fact verification at present，false information on the Internet still needs to be checked by multiagent.