Patients stretching lumbar bone ringing, the following common causes: first, lumbar muscle strain: prolonged lumbar muscle strain is likely to cause excessive pressure on the lumbar spine joints, joint space narrowing, patients in stretching lumbar will make the joint wear and tear aggravated, resulting in lumbar spine ringing, and can be accompanied by lumbar spine pain, through hot compresses and rest can make clinical symptoms can be alleviated. Second, lumbar spine small joint disorder: the patient will appear lumbar bone rattling when stretching, and at the same time there will be lumbar spine activity restriction, the patient can not even bear weight when the pain attack, and CT scan can be taken to find that the lumbar spine small joints lose the normal alignment relationship, and the lumbar muscles will be obviously stiff. Early diagnosis and treatment of patients can lead to significant relief of clinical symptoms or even complete cure.