If the toe nail cover falls off, it is necessary to analyze the patient’s toe based on whether there is a purulent infection and whether there is more exudate on the toe wound. If the skin at the toenail is dry and there is no obvious redness, swelling, or oozing, the toenail may not need to be bandaged, and the toenail may grow again in a short time after local disinfection with iodine cotton balls 2-3 times. Secondly, if the patient has a serious infection at the toe caused by nail fungus, with septic manifestations that cause the toenail to fall off. It is necessary to give the nail bed under the accumulation of fluid, pus, Vaseline gauze filling and drainage, can give gauze bandage to avoid external bacterial invasion, while giving cephalosporin antibiotics to strengthen anti-infective treatment, in order to promote the early recovery of inflammation at the toe.