Foot boil belongs to the common term, also known as corns, is mainly due to the foot skin long-term mechanical stimulation, such as friction, pressure and excessive proliferation of the stratum corneum, can be relieved by medication, physical therapy, surgical treatment and other ways. 1. Medication: You can relieve the phenomenon of corns on the feet by using corns cream. You need to use hot water to soak your feet, carefully scrape off the softened keratin, then apply the corns cream externally and repeat the treatment until it falls off. 2. Physical therapy: you can use liquid cryotherapy, spray liquid nitrogen on the affected area, can make the corns and the surrounding skin frostbite and shedding necrosis. You can also choose laser therapy, which can be used under local anesthesia to vaporize the corns. Electrocautery can also be used to remove the corns, but the local trauma is greater. 3. Surgical treatment: you can inject anesthetic in the corns, and then use a scalpel to make a circular incision along the edge of the keratinous plugs, peeling the corns out, after the operation need to be disinfected and bandaged, there may be residual scarring, it should be operated by a professional doctor. It is recommended that patients with corns should take into account their own situation and actively cooperate with the doctor’s treatment, and medication should be used in accordance with the doctor’s instructions.