The soles of the feet have hard lumps like calluses, medically known as “callus”, and its treatment methods include medication, surgical treatment and physical therapy. 1. Medication: Urea ointment, Vitamin A cream and other ointments can be used externally as prescribed by the doctor, which can remove the corns on the soles of the feet. 2. Surgery: If the pain in the affected area already affects the life and work or the medicine can no longer control the pain, metatarsal bone and callus excision can be considered. 3. Physical therapy: Liquid nitrogen freezing can be used to remove the overgrown stratum corneum and flatten the skin. It is recommended that those who have callus and have the need to remove it should go to the hospital in time and have standardized treatment under the doctor’s guidance to avoid delaying the condition.