Lumbar straightening on the pain is mainly due to two reasons: First, due to the lumbar muscle tissue strains or strain, the formation of inflammatory foci, in the lumbar straightening when the muscle tissue contraction, will stimulate the damage as well as inflammatory foci, resulting in lumbar have obvious pain. Second, due to the lumbar spine synovial embedded synovial joints, that is, synovial joints of the synovial joints embedded in the synovial joints, in the lumbar straightening the synovial membrane will be a relatively large force extrusion, so it will lead to a more pronounced sense of pain. Therefore, if it is a problem of the lumbar muscles, the lumbar region should be fully relaxed, as far as possible to choose the lying position, avoid sitting for a long time, squatting, bending over, and so on. When lying down, put soft pillows behind the knee joints and keep flexing the hips and knees, so that the lumbar region can be relaxed, which will help the healing of the injured position. If the joint synovial embedded joint, need to go to the hospital orthopedics or massage department for manipulation reset.