Lying down and lifting the leg and stretching the leg lumbar spine clicking may be caused by physiological factors, may also be caused by lumbar muscle strain, lumbar disc herniation and other pathological factors, according to the cause of the physical therapy, medication and surgical treatment to alleviate. 1. Physiological factors: such as prolonged inactivity, prolonged stooping, etc., lying down and lifting the legs and stretching the legs when the lumbar region is suddenly pulled, will cause the lumbar region to appear joints clicking and other physiological popping symptoms. This is the sound of normal joint occlusion, without special treatment, can also be relieved through yoga, swimming and so on. 2. Pathological factors (1) Lumbar muscle strain: long-term lumbar muscle strain may cause lumbar muscle strength to weaken, the stability of the lumbar vertebrae is reduced, and the phenomenon of lumbar vertebrae clicking may occur when lying down and lifting and stretching the legs. It can be relieved by cold compresses, physical therapy and other physical methods. When the pain is severe, painkillers such as ibuprofen and celecoxib can also be chosen for treatment. (2) Lumbar disc herniation: Lumbar disc herniation may lead to dysfunction of the small joints of the lumbar spine, and the symptom may also occur. It can be treated with physical therapy such as localized heat therapy, stretching massage, functional exercise of lumbar back muscles, and oral anti-inflammatory painkillers such as diclofenac sodium and ibuprofen as prescribed by the doctor. If the above methods are not effective, you can also choose to open the window surgery, discoscopy surgery and other treatments. Lying down and lifting the legs and stretching the legs lumbar spine clicking may also be hip dysplasia, lumbar spondylolisthesis and other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.