Long-term stooping may cause pelvic and lumbar pain, aggravate joint degeneration and varicose veins in the lower limbs. Stilts legs on both sides of the pelvis force imbalance, will aggravate the burden of the pelvic lumbar spine, long time stilts legs will cause muscle ligament strain appeared pelvic lumbar pain. Stilts legs when the knee joint medial pressure, lateral tension, bilateral force imbalance is likely to aggravate knee degeneration, causing joint pain. Crossing the legs when the hip joint knee joint is in a state of flexion, will oppress the venous blood vessels cause lower limb reflux slow down, aggravate the burden of blood vessels, easy to cause varicose veins in the lower limbs. Long-term legs belong to the bad habits, pay attention to avoid.