Depending on the severity of the nail injury, the fastest way to reduce swelling clinically differs. First, if the patient’s foot is superficial nail injury, no bleeding, accompanied only by local redness, swelling, pain. At this time can be given a local topical gold ointment or 0.5% vital iodine, the patient to reduce activity, pay attention to rest, generally 24-48 hours after the local swelling can be completely absorbed. Second, if the patient was nail deeper, accompanied by active bleeding and obvious pain. At this time, the patient needs to cross-cut the wound as soon as possible, debridement and drainage, removal of foreign bodies in the wound, if necessary, local wound sutures to stop bleeding, and injection of tetanus antitoxin to prevent infection, intravenous cephalosporin anti-inflammatory drugs to strengthen anti-infection, strengthen the incision change treatment. Only in this way can the swelling of the wound be eliminated as quickly as possible. In some patients, the swelling and pain of the wound can be completely eliminated after 3-5 days.