Tetanus shot is also known as tetanus antitoxin, either intramuscular injection or subcutaneous injection, are able to achieve the effect, if the intramuscular injection are injected in the buttocks, gluteus maximus muscle outside the upper part of the arm, or arm deltoid muscle in the middle. If it is subcutaneous injection, are injected in the skin of the epidermis of the deltoid muscle, but if it is an adult both methods can be, if it is a child to do subcutaneous injection, it should be absorbed is not very good, and after subcutaneous injection of liquid, resulting in localized mass may also be more difficult to absorb. So for children or infants are recommended to give intramuscular injection in the upper part of the external part of the gluteus maximus muscle, but before the injection must do skin test, and the skin test is negative before you can do the injection.