New coronary vaccine is generally common new coronavirus pneumonia inactivated vaccine, some people have no manifestation after vaccination, and some people may manifest localized swelling, pain, and so on. New coronavirus pneumonia inactivated vaccine is clinically used to prevent diseases caused by new coronavirus infection, the population should be actively vaccinated. Some people may not show any symptoms after receiving the inactivated coronavirus pneumonia vaccine, which is mainly related to their physical condition. However, some people may experience swelling and pain at the injection site 1 to 7 days after receiving this vaccine, which is normal. In addition to swelling and pain, some people may also experience nausea and vomiting, headache, fever, chest tightness, weakness, muscle aches and pains, etc. These are normal reactions to vaccination and are not a cause for concern. General discomfort can be gradually reduced over time until it disappears on its own. After vaccination, it is forbidden to drink alcohol or consume spicy and stimulating food. It is recommended to receive inactivated coronavirus pneumonia vaccine in regular hospitals, and stay in the hospital for a period of observation after vaccination, so as to facilitate the timely treatment of abnormalities. Tip: “New coronavirus pneumonia” and “new coronavirus pneumonia” mentioned in this article were renamed to “new coronavirus infection” on December 26, 2022, as announced by the National Health Commission.