Preventive measures against novel coronavirus pneumonia include washing hands frequently, wearing masks and not gathering. 1. Wash hands diligently, especially before contacting express delivery, takeout and other items, you can use alcohol spray for local disinfection, is an effective preventive measure. 2. Wear a mask, the new crown pneumonia is a respiratory infectious disease, so wearing a mask can greatly reduce the probability of infection, forming an effective protection. 3. Do not gather, especially large banquets and other large-scale banquets, the formation of large-scale transmission is more likely, the source of the people is unknown, which can easily lead to gathering of the epidemic outbreak. Do not go to high-risk areas of the epidemic, do not go to the place where the epidemic occurred, there is a relevant history of residence needs to be timely isolation, nucleic acid testing and other measures. Tips] 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.