Novel coronavirus pneumonia is now very serious, and the number of infections has far exceeded that of SARS in 2003, and the number of confirmed cases has reached more than 10 times the number of confirmed cases during the SARS period. The incubation period is long, usually 3-7 days, making it very difficult to prevent and control the virus. Because the longer the incubation period, it is also impossible to determine whether the person is infected; its infectious ability is also very strong, and its impact in the international arena may be similar to SARS, and may even be more serious. The new coronavirus pneumonia is very serious at the moment, and it is recommended to go out as little as possible, drink more water, pay attention to hand washing, open windows and ventilation, disinfection, and minimize gathering. It is to contribute to the writer’s country and to carry out protection for yourself. Content source: Dr. You Lai