Children with corns on the feet can be treated with medication such as salicylic acid, or physical therapy and surgery. Corns on the feet are usually caused by friction and extrusion, so you need to wear loose and suitable shoes to avoid excessive friction and extrusion. Corns can be treated with medication, such as corns cream, salicylic acid, etc., to help soften the local stratum corneum. In addition, corns can also be removed using physical therapies, such as laser therapy and cryotherapy. Surgical removal may also be considered if other treatments are not effective. If the phenomenon of children with corns occurs, you should go to the hospital in time for examination, and you should pay attention to the use of the above medications in accordance with the doctor’s instructions.