Corns can be treated locally, laser therapy, physical therapy, topical medication, and surgical excision under the guidance of a professional physician. 1. Local treatment: you can choose to use 50% salicylic acid ointment and other corrosive drugs. 2. Laser treatment: CO2 laser treatment can be chosen, after local disinfection and anesthesia, CO2 laser burns away the lesion. 3. Physical therapy: such as X-ray treatment, liquid nitrogen freezing, laser and so on. 4. Topical medication: salicylic acid, lactic acid, cotton wool gum agent can be used to mix coated in corns, repeated daily until cured. 5. Surgical excision: 1% lidocaine local anesthesia on the skin lesions excision, to take pressure to stop bleeding, not suture, scabs after applying skin cream. Seek prompt medical attention for corns and choose the appropriate treatment under the guidance of a professional doctor to improve your quality of life.