Patients with hard bumps on the soles of their feet need to understand the cause before treatment. The first consideration is whether there are calluses (i.e. calluses) formed by improper footwear, prolonged athletic friction, extrusion, or the possibility of corns. The second consideration is the formation of plantar warts due to human papillomavirus infection on the sole of the foot, resulting in hard bumps on the sole of the patient’s foot. If the symptoms are not obvious, the callus can be treated without treatment, and most of them can heal by themselves after reducing friction and choosing comfortable shoes and socks. The thicker calluses can be soaked in hot water and then chipped away with a knife after softening. Salicylic acid ointment and vitamin A cream can also be applied externally to help exfoliate the keratin and relieve the hard bumps on the soles of the feet; 2. Corns: If the patient’s hard bumps on the soles of the feet are the size of a soybean or larger, with a smooth surface that is flat or slightly elevated with a wedge-shaped tip and a clear yellowish ring around the periphery, then the possibility of corns is considered. The patient can use corns or salicylic acid ointment, urea ointment local application, and hot water soaking feet, to be softened keratin scraping can be; 3, plantar warts: plantar warts typical symptoms of keratinous yellow or brown callus-like plaques or flat papules, and the surface rough uneven, the central slightly concave, the edge around the thickened keratin ring, when pressed can produce pain. It is recommended that patients take local treatment under the guidance of a doctor, including drug therapy, liquid nitrogen cryotherapy, laser therapy, etc., of which drugs are mainly fluorouracil cream, salicylic acid ointment, crow’s nest pounded for external use, etc., note that these drugs are corrosive, should pay attention to protect the skin around the wart when applied. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things.