① Wear shoes correctly and comfortably, and the shoes can be lined with thick and soft insoles to reduce friction. ② Foot deformity should be corrected as much as possible. Soaking feet with hot water every day can improve blood circulation of feet, promote skin metabolism, soften hard cutin, make it easy to scrape off and reduce irritation to tissues. In addition, from the perspective of health care medicine of traditional Chinese medicine, because of the rich acupoints on the foot, hyperthermia has a greater health care effect. This method has always been advocated by Chinese medicine experts. ④ Local treatment: As for drug treatment, corn cream, 10% salicylic acid, glacial acetic acid or 30% salicylic acid collodion should be used under the guidance of a doctor. The dressing therapy of compound salicylic acid powder (salicylic acid 80g, pure carbolic acid 20g) is introduced as follows: the adhesive plaster is cut into a hole slightly larger than the corns, and the adhesive plaster is attached to the affected part, so that the corns are exposed in the holes of the adhesive plaster, and the surrounding adhesive plaster plays a role in protecting the skin. At this time, the compound salicylic acid powder was coated on the corns, then sealed and fixed with a piece of adhesive tape, and removed after 7 days. Generally, a bag of corn can be dropped. If the patient does not fall off completely at one time, of course, corns can also be taken out and discharged for treatment.