Nail loss requires protection of the nail bed. First of all, it is necessary to distinguish the cause of nail loss, and then to carry out disinfection, application of medicines, bandaging and changing of medicines. Nail loss can be divided into pathological and traumatic. Pathological nail loss is usually caused by bacterial or fungal infections. In this case, before protecting the nail bed, it is necessary to first treat the nail area by applying antiseptic drugs to treat the primary disease. After the nails fall off, then the nail bed can be sterilized with iodine or alcohol, and topical mupirocin ointment, erythromycin ointment and other medicines can be used to make the nail bed form a protective layer, and then bandage with gauze, and change the medicine regularly. You need to pay attention to the dryness and cleanliness of the wound during the bandaging period so as not to cause secondary infection. And trauma caused by the loss of nails, resulting in nail bruising and then fall off. At this time for the nail bed has not yet grown out of the nail iodine povidic disinfection, oil gauze covered with bandages, regular change of treatment, and wait for the new nail to grow out can be. For nail shedding after the nail bed, for protection, it is recommended to regular hospitals, follow the doctor’s instructions for disposal, do not blindly bandage yourself, so as not to aggravate the damage.