Patients with rusty iron scratches should be analyzed objectively according to the depth of the rusty iron scratch, whether there is active local bleeding and whether the patient takes active treatment. 1. If the patient has a superficial rusty iron scratch, there is no active bleeding or incision infection, and the patient has strong healing ability and timely rinses the wound with hydrogen peroxide, vital iodine and saline alternately. In 2-3 days, the local rust scratch can be crusted over and healed, achieving a better treatment effect. 2, if the patient is deeper by the rust iron scratch, local with active bleeding and foreign body residue. The patient did not promptly perform local disinfection, debridement treatment, also did not inject tetanus antitoxin or tetanus immunoglobulin, may cause the wound contamination, and even induce tetanus infection, thus causing serious complications.