New coronary vaccine generally refers to the new inactivated coronary virus vaccine, the third shot of the new coronary vaccination precautions include dietary attention, life attention, disease protection and so on. 1. Dietary precautions: Avoid spicy, cold and irritating foods before the third vaccination to avoid adverse reactions such as indigestion and diarrhea, which may be coupled with the new coronavirus vaccination and cover up the real cause of discomfort. 2. Attention to life: Ensure sufficient sleep before the third dose of the new coronavirus vaccine, avoid staying up late and fatigue, so as not to affect the effect of the vaccination. Maintain personal hygiene, and wear clothes that are easy to put on and take off or with loose cuffs when receiving the vaccination. 3. Disease protection: Before vaccination, you should pay attention to keep warm, avoid eating contaminated food, so as to avoid bacterial and viral infections that may cause the body’s immunity to decline, which will also affect the effect of vaccination. It is recommended to have a good lifestyle, avoid late night and labor, and exercise regularly.