Prevention of novel coronavirus pneumonia involves controlling the source of infection, cutting off the means of transmission, and protecting susceptible populations. 1. Control the source of infection: If there are found new coronavirus pneumonia infected people and the close contacts of new coronavirus pneumonia patients should be centralized isolation treatment, avoid contact with others, this is a very important measure to prevent new coronavirus infection. 2. Cut off the means of transmission: the new coronavirus pneumonia is mainly transmitted through respiratory droplets, so you should pay attention to wear a mask, to ensure that the air circulation, and avoid going to the crowded places. 3. Protect susceptible people: Because the new coronavirus pneumonia is susceptible to the general population, so the general population without contraindications should be vaccinated against the new coronavirus vaccine for prevention. At the same time should pay attention to rest and keep warm, strengthen nutrition, appropriate exercise, improve immunity. New coronavirus pneumonia is highly contagious, so it is important to prevent the disease. [Tip] In this article, “new coronavirus pneumonia” and “new coronavirus pneumonia” have been renamed to “new coronavirus infection” on December 26, 2022, as announced by the National Health Commission.