The New Crown vaccine has undergone three phases of clinical trials. According to the results of the trials, there was no serious discomfort, so the New Crown vaccine is relatively safe and can be administered with confidence. The New Crown vaccine has a good preventive effect against the new coronavirus pneumonia that is currently prevalent, so eligible people should try to get vaccinated. Adverse reactions such as fever, muscle pain or dizziness may occur after vaccination, which will resolve on their own in 2 to 3 days and generally do not require special treatment. If the discomfort is more serious or other serious adverse reactions occur, you should seek medical treatment promptly. Patients should truthfully inform the physician of their physical condition before vaccination, and the doctor will help to rule out contraindications to medication and reduce the risk of medication, and observe the patient for 30 minutes after vaccination before leaving. Tips] The “new coronary pneumonia, new coronary virus pneumonia” mentioned in this article has been renamed to “new coronary virus infection” on December 26, 2022, as announced by the National Health Commission.