The new coronavirus vaccine is the new coronavirus vaccine. Contraindications to the new coronavirus vaccine include allergy, acute exacerbation of chronic diseases and other patients. Patients should be observed for about 30 minutes after the injection, and should also pay attention to diet and care of the inoculation site. Contraindications to the new coronary vaccine: 1. Those who are allergic to the active ingredients of the vaccine, any of the inactive ingredients, substances used in the production process, or those who have developed an allergy when previously vaccinated with the same type of vaccine; those who have previously experienced a severe allergic reaction to the vaccine (such as acute allergic reaction, angioneurotic edema, respiratory distress, etc.). 2. Those with uncontrolled epilepsy and other serious neurological diseases (e.g. transverse myelitis, Guillain-Barre syndrome, demyelinating diseases, etc.). 3. Those who are experiencing fever, or suffering from acute illness, or acute exacerbation of chronic diseases, or uncontrolled severe chronic diseases. 4. Women during pregnancy. After receiving the new coronavirus vaccine, patients are advised to observe for about 30 minutes before leaving the vaccination site to avoid severe allergic reactions. In addition, patients should eat a light diet after receiving the new coronavirus vaccine, and eat less spicy and stimulating food. Patients should also avoid exposing the vaccination site to water too early to prevent infection. Before receiving the new coronavirus vaccine, patients should specifically understand the contraindications and precautions to avoid discomfort.