Usage: Subcutaneous injection should be at the attachment of deltoid muscle of upper arm. When injecting toxoid at the same time, the injection sites must be separated. Intramuscular injection should be in the middle of deltoid muscle of upper arm or upper part of gluteus maximus. Intravenous injection can only be done if there is no response after subcutaneous or intramuscular injection. Intravenous injection should be slow, not exceeding 1 ml at first, and not exceeding 4 ml per minute thereafter. An intravenous injection should not exceed 40ml, and the child's weight per kloc-0/kg should not exceed 0.8ml. The antitoxin can also be added into glucose injection and sodium chloride injection for intravenous drip. Before intravenous injection, ampoules should be heated to near body temperature in warm water. If there is any abnormal reaction during the injection, the drug should be stopped immediately.