Low back pain is a disease that causes pain in the lumbar spine or paraspinal area as the main symptom due to external sensation, internal injury or contusion and flash resulting in the poor flow of qi and blood in the lumbar area or loss of moistening. The main diseases that cause lumbago are the following 9 diseases: 1. Kidney disease Mostly persistent dull pain on one or both sides of the paraspinal area of the upper lumbar region, with occasional paroxysmal sharp pain or radiating pain. The pain is usually independent of position and activity, and there is no lumbar muscle tension. 2. gynecological disorders Some women have low back pain during menstruation. It is mostly a persistent dull pain in the lower back without lumbar muscle tension. 3. lumbar muscle strain This is the most common type. It is caused by trauma or overexertion, and is most common in athletes. Most of the pain is localized in the lower back with lumbar muscle tension. 4. hypertrophic spondylitis Most commonly seen in the elderly, usually the pain is heavier when waking up in the morning and relieved after activity, the pain is relieved when exposed to heat, and the lumbar muscle tension is more obvious. 5. osteochondrosis Most often seen in middle-aged women, associated with multiple pregnancies. The lumbar pain is more widely oriented, often with muscle aches and pains, weakness of the limbs, and bending and deformation of the bones. 6. lumbar disc herniation Pain in the lower back, can cause severe pain due to postural changes, lumbar muscles are obviously tense and movement is obstructed. 7. lumbar myofasciitis Mostly caused by rheumatism, the pain point is widely irregular. The pain is related to the climate, and there is no lumbar muscle tension. 8. spinal rheumatoid with widespread lumbar pain, advanced deformity and inability to straighten the back. Prevalent in adolescents. Low back pain is widespread and closely related to climate and season. 9. lumbar spinal tuberculosis Commonly found in adolescents. Slow onset, mostly vague pain, with symptoms of systemic toxicity caused by tuberculosis. Children often have nocturnal crying.