Since the new coronavirus epidemic broke out at the end of 2019, the virus has brought several problems, both in people’s lives and countries’ development. This article will recommend the overall situation from three aspects, SARS-CoV-2 and Variants, vaccines, and policies. Firstly, we should make efforts to reduce the chance of superspreading events occurring, therefore preventing the evolution of SARS-CoV-2. Then governments and big companies will need to be more ambitious in developing different kinds of vaccines. Finally, the best suit policies should enact to make limited resources maximum used. That information would give the reader some inspiration to cope with the epidemic, furthermore, they can also learn some lessons from other countries, and find a suitable way to control the spreading of the virus.