There are several treatments available for corns on the feet: First, local topical medication, commercially available corns cream, 30% salicylic acid gel. Second, the Chinese herbal medicine crow’s nest is pounded and applied externally, and changed every 6 hours. Third, corns excavation, using a sharp knife to cut the gray and white dividing line between the corns and normal tissue, and along this line to peel off the corns intact, in the local covered with adhesive tape can be. You can also trim the cuticle, scrape out the cone with small scraping teeth, plug the iodine cotton ball, apply adhesive tape, and remove the cotton ball after 2-3 days. Fourth, other methods are electrocoagulation under local anesthesia or carbon dioxide laser, liquid nitrogen freezing, surgery or 30% urea ointment for external use.