If you want to play tetanus antitoxin, the price is about ten dollars a piece, but you need to do a skin test before injecting the antitoxin, only negative skin test results can be played, if the skin test results are positive, you need to play the skin test-free tetanus injection, that is, tetanus immunoglobulin. The price is much more expensive, may be more than 200 yuan. A tetanus shot is needed when the body is injured, usually after a trauma, and there is a break in the skin. The tetanus bacillus belongs to the anaerobic bacteria, in the anaerobic environment will multiply, if the wound is relatively shallow, the wound is open relatively large, generally not easy to infect tetanus. If the wound is very deep and the outer opening of the wound is small, you need a tetanus shot. But before the injection, the wound should be cleared and rinsed with hydrogen peroxide to kill any tetanus bacilli or bacilli that may be present inside the wound.