After the corns grow out, you need to go to the hospital in time, and the treatment methods mainly include medication, physical therapy, surgical treatment and daily protection. 1. Medication: Corns can be treated externally with keratolytic drugs such as corns paste, salicylic acid ointment, etc. It is best to soak your feet in hot water to soften the corns before use. It is best to soak your feet in hot water to soften the corns before using the medication. During the medication period, you can use adhesive tape or petroleum jelly to protect the normal skin around the corns. 2. Physical therapy: mainly used for small corns, treatment methods mainly include carbon dioxide laser, ionization therapy, cryotherapy, etc.. 3. Surgery: Usually used for larger corns, you can consider making a circular incision with a scalpel after local infiltration anesthesia to remove the corns completely. 4. Daily care: Patients with corns should pay attention to wearing well-fitting shoes and try not to wear high heels. Avoid walking and standing for a long time. The above application and operation should go to the dermatology department of the hospital and be guided by professional doctors for treatment.