There is no so-called method of removing corns, and the treatment effect varies from person to person. You can choose medication application, physical therapy, surgery and other ways to improve the condition under the guidance of your doctor. 1. Drug application: salicylic acid ointment and urea ointment can be used externally as prescribed by the doctor to achieve the purpose of exfoliation. 2. Physical therapy: Liquid nitrogen cryotherapy and carbon dioxide laser therapy can also remove corns, but may require multiple treatments. 3. Surgery: If the above methods do not work well, surgery can be chosen to remove corns, usually for larger and more serious corns, which can be corrected under local anesthesia. After the occurrence of corns, patients should go to the hospital as soon as possible to improve the examination, follow the doctor’s instructions to take standardized treatment, not private treatment, the above drugs should be used under the guidance of the doctor, so as not to lead to adverse consequences.