The patient’s toenail cover is turned over halfway, depending on the severity of the local damage, different treatments are often available clinically: 1. If the patient’s remaining toenail is not completely separated from the nail bed, and the patient’s nail bed is relatively lightly damaged, and there is no active local bleeding. In this case, the patient can use hydrogen peroxide, vital iodine, saline and other drugs for local disinfection, sterile gauze dressing, most patients can gradually grow and heal the toenail after 1-2 weeks. 2, if the patient’s remaining toenail cover and nail bed are obviously separated, the local nail bed damage is more serious, accompanied by active bleeding, it is recommended that the patient under local anesthesia to perform the remaining toenail extraction, while using petroleum jelly gauze The patient is advised to have the remaining toenail removed under local anesthesia, with petroleum jelly gauze and sterile gauze compression to stop bleeding. Most patients require about 3 weeks for the toenail to be fully repaired with good results.