If the pelvis height is different, the pelvis height can be corrected by adjusting the sleeping posture, as follows: 1. pelvis high left and low right: patients can take the right side lying sleeping posture, flex the right knee joint, straighten the left knee joint, this method has a certain corrective effect on the pelvis high left and low right. 2. pelvis low left and high right: can be corrected by the above-mentioned reverse sleeping posture. In addition, patients with different pelvic heights should also change bad posture habits in daily life, such as not to carry weight on one foot, not to often stilt legs, wear high heels, etc.