Wound scabs after nail cancer surgery generally do not need to apply iodized povidone. Wound scab means that the wound has been healed and there is a protective layer on the surface of the tissue, so there is no need to disinfect the wound, and the continued use of iodine povidone may soften the protective layer and the function of the protective layer will be reduced, which may lead to recurrent infections, so there is no need to put iodine povidone on the wound after the wound is scabbed. Patients should cover the wound with gauze to protect the scabbed tissues and wounds, avoiding the friction of external objects that may cause the scabs to fall off, and at the same time pay attention to not touching the scabbed tissues with water, and consume high-protein foods in daily life to replenish the nutrients needed by the body to promote the speed of recovery, and at the same time do not consume stimulating foods such as chili peppers, garlic, and mustard. Patients are advised to take protective measures in their daily life and go to the hospital for regular checkups.