On February 19, the Notice of the General Office of the Ministry of Industry and Information Technology on Use of New-generation Information Technology to Support Prevention and Control of Epidemic and Restoration of Work and Production (hereinafter referred to as the "Notice") was issued, which supports the use of new technologies such as internet, big data, cloud computing and artificial intelligence for monitoring and analyzing epidemic situations, tracing the source of virus, tracking patients and managing population flow and communities, thus realizing the scientific and accurate prevention and control of the epidemic.