Lumbar vertebral body instability can appear the following symptoms: first, pain, for the lumbar vertebrae like folded pain, this is the lumbar vertebral instability is unique to the performance of a kind of pain, in the X-ray film can be seen in the lumbar vertebral body there is a subluxation or lumbar vertebrae sequence of abnormal changes. Second, hip pain or lower extremity numbness, pain, if the compression of the nerve, there can be obvious pain in the lumbar region, as well as the buttocks, lower extremity radiating pain, this time to carry out CT and nuclear magnetic examination to further confirm the diagnosis. Third, lumbar activity is limited, lumbar forward flexion or backward extension activity is obviously limited, often dare not sit for a long time or dare not bend down to hold objects, often need to wear a waist cuff to be able to carry out appropriate lumbar activities. These are a few common symptoms of lumbar spine instability.