Yoga training can improve O-shaped legs, but to a certain extent, it can not completely cure O-shaped legs. Yoga training can improve the inversion of the knee joint to a certain extent, especially through muscle strength training can gradually straighten the O-shaped leg, but can not be completely corrected, the patient should not rely too much on yoga training. o-shaped leg patients have many bone deformities, usually need surgery to improve completely, including distal femur and proximal tibia osteotomy, and the elderly patients with artificial knee joint replacement. Skeletal deformities cannot be improved by yoga exercises, and can only be corrected by yoga training if there are problems with the muscles and ligaments that aggravate O-shaped legs.