Children’s flat feet need to decide the treatment method according to the severity of flat feet. It is recommended to go to the hospital in time for examination and symptomatic treatment under the doctor’s diagnosis. If the degree of flat feet is mild and there are no obvious clinical symptoms, it is recommended to carry out functional exercises and no special treatment is needed. Preschoolers should pay attention to the fact that their feet should not buckle, and correct the habit of walking in eight steps. Teenagers should try to wear soft-soled shoes and sports shoes to avoid binding the normal development of the foot arch. Girls should not wear high heels. If flat feet are more obvious, it is recommended to use special insoles and wear special orthopedic shoes to correct them under the guidance of doctors. You can also do some appropriate exercises, such as picking soybeans with toes, playing shuttlecock, stepping on logs and other exercises. Plaster immobilization method is also recommended to reduce the pain during the period. Surgical treatment, such as triple joint fusion and subtalar joint braking, can also be taken when the situation is serious. It is recommended that the patient should be treated in time to avoid arthritis. It is recommended that the patient should go to a professional pediatrician for examination in time to avoid aggravation of the condition.