Clinically based on the different types of tetanus drugs, the costs required also vary: 1, tetanus antitoxin, is the most widely used in clinical practice, the cheapest drugs, the cost is about 10 dollars. Tetanus antitoxin is cheaper but has more impurities, and a local skin test is required before injection, if there is a positive skin test, tetanus antitoxin cannot be injected.2. Horse tetanus immunoglobulin, which has a relatively small chance of allergy compared to tetanus antitoxin, costs about$40, and is more widely used in the clinic. If allergy is still manifested when injecting equine tetanus immunoglobulin, it is necessary to change other drugs at this time.3. Tetanus immunoglobulin, the drug is more expensive, costing about$330. Skin test may not be required before injection, and the effect is relatively reliable and safe, and no serious allergic reaction will occur in the clinic.