Lumbago, also known as lumbar pain on one or both sides, is a very common symptom in orthopedics, and has many causes, the common ones are as follows: 1. Acute lumbar injury exists, such as acute lumbar sprain, which can cause severe pain on one side of the lumbar region, and there are obvious restrictions on the movement of the lumbar region. In addition, if the waist suffers excessive sprain or impact, it can also cause a fracture of the waist, such as a compression fracture in the lumbar spine or a small attachment fracture of the lumbar spine. 2, lumbar muscle strain, such as patients taking a sitting position for a long time can lead to excessive fatigue of the muscles of the waist, and then produce strain, which can also induce pain. 3, lumbar disc protrusion, such diseases are a manifestation of lumbar spine degeneration. This disease is a manifestation of lumbar degeneration. This is a condition that is often associated with pain in the lower back and lower extremities. 4. osteoporosis, which is common in the elderly, can lead to bony pain around the lumbar spine. 5. internal lesions in the lumbar region, such as acute nephritis or urinary stones, can also cause similar symptoms. Therefore, there are many causes of lumbar pain, and patients need to go to orthopedic clinics promptly after the onset of the disease to clarify the cause.