With the spread of the COVID-19, as of August 10, 2020, there have been more than 20 million confirmed cases worldwide and 730,000 deaths. The outbreak was more severe than the Spanish Flu in 1918, the Influenza A Virus H2N2 in 1957, and the Influenza A H3N2 in 1968…However, the current international preliminary research conclusions have not yet clarified the No. 0 pathogen of COVID-19. At the same time, many countries are actively developing vaccines. According to WHO, over 160 candidate COVID-19 vaccines are currently being developed worldwide, of which 8 are undergoing clinical evaluation, the COVID-19 vaccine is expected to be available by the end of the year.