If the patient is in the period of acute urticaria, contact dermatitis and other skin allergic diseases, or belongs to the group of people who are allergic to any of the ingredients in the vaccine and to the substances used in the production process, and has experienced acute allergic reactions, sudden respiratory failure such as anaphylaxis and other serious allergic phenomena in the course of previous vaccination, the new crown vaccine cannot be administered to avoid aggravating the body’s allergic reaction. If the patient has other types of skin allergy, such as allergy to drugs such as penicillin and cephalosporin, or allergy to foods such as eggs, seafood, peanuts, mangoes and wheat bran, or allergy to pollen and dust mites, and is not in the attack period, he or she can get the New Crown vaccine normally. Other than that, women during pregnancy, and patients with neurological diseases such as Grin-Barre syndrome, transverse myelitis, uncontrolled epilepsy, or patients with acute diseases, as well as those in febrile periods or chronic disease seizures, are not recommended to receive the New Crown vaccine. After vaccination, it is important to take rest, avoid strenuous exercise, and take care of the vaccination site. Contact with allergens should be avoided as much as possible to avoid confusion between allergic reactions to other substances and adverse reactions to the New Crown vaccination. Keep the area dry and hygienic and avoid getting wet to avoid bacteria from entering and causing infection.