Corns on the feet is due to the foot skin long-term extrusion or friction and the occurrence of keratin hyperplasia damage, conscious pain when pressure, easy to recur, there is no way to get rid of the root of the method, the main drug treatment, physical therapy, surgical treatment and other ways. 1. Medication: Salicylic acid ointment, urea ointment and other medications can be used to soften the stratum corneum after soaking the feet, and then a file can be used to grind the hyperplastic skin. 2. Physical therapy: corns can be treated by liquid nitrogen freezing or laser therapy. 3. Surgery: For corns that are not effectively treated with medication, they can be treated with surgery, first under local anesthesia, then with a scalpel to dig out the corns and bandage them. In addition, more attention should be paid to foot hygiene, do not wear breathable, too tight shoes, to reduce the pressure on the foot. Corns cannot be removed and are prone to recurring episodes. When an episode occurs, you should consult a doctor who will choose the appropriate treatment according to the specific situation.