Abnormal reactions of vaccination mainly include fever, localized redness, swelling and heat pain of inoculated skin, and anaphylactic shock. 1. Fever: If the fever does not exceed 38.5℃, physical cooling and close observation are usually sufficient. If the fever exceeds 38.5 ℃, it is necessary to consult a doctor in time for drug treatment. 2. Localized redness, swelling, heat and pain of the inoculated skin: if this situation occurs, when the degree is mild, it does not need to be treated. If there is infection and pus, etc., then you need to go to the hospital for consultation and treatment. 3. Anaphylactic shock: is a more serious abnormal reaction to vaccination, the main symptoms are pale, or even confusion, respiratory difficulties, etc., need to immediately use epinephrine and other emergency drugs, otherwise it may be life-threatening. After vaccination, it is recommended to eat a light diet, do not eat spicy and stimulating food, and pay attention to protect the injection site from infection. If abnormal reaction occurs, it is recommended to seek medical treatment as soon as possible, and standardized diagnosis and treatment under the guidance of professional physicians.