Inner eight leg can be treated by postural correction and surgical correction. The main cause of Inner Bass Leg is internal rotation of the lower limbs, so the correction of Inner Bass Leg needs to improve the internal rotation of the lower limbs. The causes of internal rotation of the lower limbs include changes in the anterior tilt angle of the femur, internal rotation of the distal end of the femur, and changes in the shape of the proximal end of the tibia, etc. When the symptoms of Inner Eight Legs are mild, postural corrections can be targeted, and those with severe deformities can be treated through surgical corrections. 1. Posture correction: The posture correction treatment can be carried out for the less serious deformity of internal eight-leggedness. It can be corrected by standing squatting exercise with both feet externally rotated, jumping with legs externally rotated, and playing shuttlecock with the inner side of both feet. 2. Surgical correction: eight legs by posture correction did not improve significantly, you can perform osteotomy orthopedic surgery, femoral deformity or tibial deformity can be targeted to perform femoral, tibial orthopedic surgery, can help to improve the symptoms of eight legs deformity. After the emergence of the eight-legged deformity should seek medical treatment, under the guidance of the doctor for postural correction or surgical correction and other treatment modalities, can help to improve the symptoms of the eight-legged deformity as soon as possible.