Children with corns can be treated with general treatment, medication and physical therapy. 1. General treatment: attention should be paid to the protection of the affected area in daily life, avoiding friction as much as possible, and choosing comfortable and loose shoes. 2. Medication: Salicylic acid phenol plaster can be used for local treatment. When using, attention should be paid to protect the surrounding normal skin. The use of specific drugs should be under the guidance of the doctor, avoid self-medication, so as not to cause adverse effects. 3. Physical therapy: including laser therapy, cryotherapy and so on. Children with corns are advised to consult a doctor in time and choose the appropriate treatment plan under the guidance of the doctor according to their own conditions.