The nail fell off, if there is no obvious bleeding or infection, you can use iodophor disinfection, if there is obvious bleeding or infection, you need to go to the hospital disposal, as follows: 1, disinfection: If there is no obvious local bleeding, and there is no obvious infection, then do not worry too much, you can use iodophor solution or Biodoban, etc. for disinfection, and then use a cleaner gauze for external dressing, wait for the wound to gradually heal; 2, go to the hospital: If there is obvious local bleeding, or there is a more serious infection, you need to go to the hospital surgery or emergency department for disposal as soon as possible. The doctor will use oil gauze to compress the wound to stop the bleeding, and sometimes it needs to be cleaned and sutured, and then given a regular change of medication later. Try not to sag after the nail is removed to prevent local congestion and pain. It is also important to keep the wound free of water to prevent further aggravation of infection. You should also pay attention to your diet, not to drink alcoholic beverages, not to eat too spicy food, and to consume fresh fruits and green vegetables to promote the healing of the wound.