Foot long corns can be removed by drugs, surgery and physical therapy, patients can be based on their own specific performance under the guidance of the physician to choose. 1. Drug treatment: generally under the guidance of a physician, the use of corns cream or 10% to 15% salicylic acid ointment, 40% urea ointment and other drugs for treatment, but diabetes, poor circulation or numbness of the feet should be avoided. 2. Surgical treatment: for those who are ineffective in non-surgical treatment, surgical excision can be carried out, which is mainly performed by a physician under local anesthesia, using a scalpel to dig out the corns along the edge of the keratinous plugs, and then bandaged with sterilized gauze. 3. Physical therapy: including cryotherapy and laser therapy, patients can choose under the guidance of the physician. Patients with corns on the feet, in addition to actively cooperate with the physician for treatment, daily life should also try to minimize the friction of the feet, avoid walking for long periods of time, and try to wear loose, soft shoes, do not blindly use scissors to remove the corns or callus skin, in order to prevent infection.