Coronary pneumonia generally refers to novel coronavirus pneumonia, and smoking does not prevent novel coronavirus pneumonia. New coronavirus pneumonia is an acute infectious pneumonia, mainly caused by 2019 new coronavirus infection, although smoking itself is a kind of behavior that is harmful to human health, but smoking does not prevent new coronavirus pneumonia. Currently, there is not enough research to confirm what kind of effect people who smoke have on the spread of neocoronavirus infections, but because smoking itself has some adverse effects on the human body, long-term smoking is not recommended, whether or not it is done for preventive purposes. In general, the main ways to prevent new coronavirus pneumonia are to get vaccinated against the new coronavirus, to take good personal precautions, to minimize unnecessary trips outside, and to wear a good mask when going out. At the same time, we should also pay attention to personal hygiene, wash hands frequently, but also to keep the surrounding living environment clean, keep more ventilation, regular disinfection. Daily life need to take the correct measures to prevent the new coronavirus pneumonia, do not spread rumors, do not believe rumors. 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.