The New Crown Virus started around December, 2019 The new coronavirus was first discovered in December 2019, and there were cases before that, but they were never diagnosed until December, after which there was an outbreak pandemic, after being infected, patients will have fever, cough, weakness and other symptoms, the virus spreads quickly, and it can be spread through droplets and direct contact. As the virus continues to mutate, the situation of the epidemic is still relatively serious. The most important thing to prevent the new crown virus is to strengthen the protection of masks, wear masks correctly, do not congregate, do not pile up, and timely inoculation of the new crown vaccine to improve their own immunity.