The correction method of inner leg eight needs to depend on the patient’s age as well as the situation, and the treatment taken includes orthodontics, surgery and so on. 1. If the patient is young and in the growth period, due to incorrect walking posture, consider wearing orthopedic shoes for correction. 2. If the patient has flat feet, he or she can wear arch insoles, which are about two centimeters of padding in the insole of the shoe, or use orthotics to correct the problem. 3. If the patient has congenital inward curvature, surgical treatment such as osteotomy and internal fixation correction must be considered in very severe cases. If the phenomenon of inward curvature of the legs persists, it is recommended to go to the hospital in time for treatment under the guidance of the doctor.