Foot callus is generally referred to as callus, which may be related to repeated friction, extrusion and injury of the foot. It can be treated by general treatment, external medication and surgery. 1. General treatment: wear the right size shoes, avoid friction, extrusion, avoid walking barefoot. Meanwhile, avoid tearing the callus to avoid bleeding and infection. 2. Topical medication: local application of medication with the ability to soften and dissolve keratin, such as retinoic acid ointment, salicylic acid cream and other treatments, so as to promote the shedding of callus. 3. Surgery: When the lesion is thick and painful, it can be soaked in hot water, and after it is softened, a surgical blade can be used to cut off the cuticle under the guidance of the doctor. If the callus is caused by foot deformity, orthopedic consultation is recommended for corrective surgery. In addition, foot callus may also be caused by corns, its cause and treatment method is similar to callus, but corns can also be frozen by liquid nitrogen, laser and other physical methods to treat. It is recommended that patients with calluses on the feet to the hospital in a timely manner to clarify the diagnosis, follow the doctor’s instructions for treatment, avoid self-medication.