If the iron nail feet, first of all, most rust or soil within the iron nail will contain a large number of bacteria and viruses, must be promptly cleaned and disinfected. If the nail is relatively shallow, you can first pull out the nail by itself, and then clean the blood around the wound, the conditions can be rinsed with pure water, no conditions with flowing tap water can also be rinsed. After rinsing, if available, rinse the wound with hydrogen peroxide, no conditions can be simple local disinfection with iodophor, and then go to the hospital for further disinfection. If the nail is particularly deep, close to the blood vessels, pulling out may cause more bleeding, it is recommended to go to the hospital for treatment. Regardless of the depth of the nail, it is important to remember that within 24 hours, promptly go to the hospital to inject tetanus antitoxin. If the wound is particularly deep, after local cleaning, oral antibiotics are also needed to prevent infection. Some people are allergic to tetanus antitoxin and can be injected with tetanus immunoglobulin, which has the same effect.