There are significant differences between common swine fever and African swine fever in transmission route, symptoms and virus virulence. African swine fever spreads more widely and the virus strain is higher, which may lead to the death of all sick pigs within one week, and there is no effective vaccine prevention and control. Therefore, in the prevention and control of African swine fever, it is necessary to take more stringent measures, such as strengthening quarantine, isolation and disinfection, to prevent the spread and spread of the epidemic.