Osteoporosis is very easy to cause back pain, and the first symptom of many of these patients is pain in the lower back. There are several reasons why patients suffer from low back pain: 1. After the onset of osteoporosis, the lumbar spine is the first to be involved, because the cancellous bone in the spine has the largest content, and the lumbar spine is a relatively centralized part of the weight-bearing. Therefore, after the onset of osteoporosis, the lumbar spine may be more easily involved, and due to the lumbar spine of the weight bearing to produce very obvious pain. 2, the patient in the onset of osteoporosis, easy to produce pathologic fracture in the lumbar vertebrae, resulting in severe pain. 3, the patient in the occurrence of such a disease, but also due to the long-term recurrence of the pathologic fracture, resulting in a series of deformities of the spinal column. At this time, the patient may be due to the inflammation here and the spasm of the muscles around the spine, resulting in significant pain in the lower back.