Common causes of lumbar pain include acute attack of lumbar disc herniation, third lumbar transverse herniation syndrome, acute lumbar sprain, physiologic lumbago, lumbar trauma, kidney stones and so on. 1. Acute attack of lumbar intervertebral disc herniation: increased abdominal pressure caused by sudden sneezing, weight-bearing, lumbar trauma, etc., will cause lumbar intervertebral disc herniation to aggravate, resulting in severe lumbar pain, radiating pain in the lower limbs, numbness and other symptoms. 2. Third lumbar transverse process syndrome: the anatomical structure of the third lumbar transverse process is more prominent, and the transverse process is attached to the most abundant muscles, when repeated bending ligamentous and osseous wear and tear, which will cause the affected people to have severe pain. 3. Acute lumbar sprain: the disease refers to the lumbar region is suddenly pulled by external forces and caused by the injury, mostly seen in young and middle-aged groups, clinical manifestations of lumbar pain, lumbar activity is limited. 4. Physiological low back pain: part of the population regularly carry out strenuous waist and abdominal exercise, there is a buildup of lactic acid in the muscle tissue, if not effectively relaxed will cause muscle pain. 5. Lumbar trauma: when the lumbar region is hit by external forces, it may cause damage or fracture of the muscles and other soft tissues of the lumbar back and manifest low back pain. 6. Kidney stones: this condition refers to the formation of stones in the kidneys from certain components in the urine, which will cause compression and damage to the kidney tissues and nerves, and clinically manifest as pain in the lower back and abdomen, hematuria, proteinuria, etc. If you have the above conditions, you will have to rest for a while before you can have any pain. If the above conditions exist and are not relieved after rest, it is recommended to go to the hospital as soon as possible to improve the examination, clarify the cause of the disease, and follow the doctor’s instructions for treatment, so as not to delay the condition.