How long it takes for a patient to heal after nail extraction depends on the patient’s condition and cannot be generalized. Most nail infections are caused by trauma or nails embedded in the nail groove, resulting in sterile inflammation and secondary bacterial infection. Mild nail fungus is characterized by significant redness, pain and tenderness on one side of the nail, while patients with severe nail fungus are unable to walk normally. The first step in treating nail fungus is to remove the cause of the disease, i.e., remove the nail embedded in the nail groove. In mild nail infection, the swelling and pain will completely subside in 3-5 days after nail removal, and the patient will be able to resume normal walking; in severe nail infection, anti-infection treatment and regular medication changes at the hospital are required after nail removal, and the swelling and pain will usually disappear completely in about 2 weeks. However, if the patient is not treated in time, it can lead to septic dactylitis and osteomyelitis, which can have serious consequences. In addition, patients with nail fungus should also avoid wearing tight shoes, pay attention to protecting the toes or fingers from trauma, and visit the hospital promptly when symptoms of local redness and pain appear.