The main effect of not vaccinating against neococcal pneumonia is the susceptibility to infection after exposure to the neococcal virus, and in order to be better protected against neococcal pneumonia, one should be actively vaccinated. After vaccination against neocoronavirus, immunity against neocoronavirus will be developed in the body, thus reducing the chance of infection. Without vaccination against neocoronavirus, the chance of being infected after exposure to the neocoronavirus will increase. New coronavirus pneumonia is highly contagious, and there is no targeted treatment. Usually, we should strengthen the prevention, firstly, we should actively vaccinate, and secondly, we should strengthen the diet, strengthen the hygiene, reduce the gathering of the crowd, and reasonably wear masks in order to achieve a good preventive effect. Meanwhile, it should be noted that the vaccine for New Crown Pneumonia is not suitable for all groups of people, such as pregnant women, patients with uncontrolled neurological diseases, and so on. If you have any unwell symptoms, you should communicate with your doctor in detail before vaccination to avoid adverse consequences. Tip: “New coronavirus pneumonia” and “new coronavirus pneumonia” mentioned in this article have been renamed to “new coronavirus infection” on December 26, 2022, as announced by the National Health Commission.