Hand long corns can be removed by medication (such as salicylic acid ointment), physical therapy, surgical treatment and other ways. 1. Medication: patients can use corns paste or salicylic acid ointment, urea ointment wet compresses local skin, can soften the keratin of the hand, peeling, need to be repeated until the corns fall off. 2. Physical therapy: patients can go to the hospital to do liquid nitrogen cryotherapy, carbon dioxide laser treatment, electrocautery treatment and other ways to remove corns on the hands, but the patient’s trauma is greater, the recovery time is long. 3. Surgery: you can also go to the hospital to do corns excavation, the edge of the keratinous plug with a knife to make an incision, and then dig out the corns. The incision is large and easy to leave scars. If the above symptoms, it is recommended to go to the hospital in a timely manner, early formal treatment, and medication needs to be used under the guidance of a doctor.