Lumbar pain after squatting for a long time is most commonly associated with lumbar spine disorders such as lumbar muscle strain, transverse third lumbar vertebrae syndrome, or lumbar disc herniation. If the pain is in the muscles on both sides of the lower back, it may be lumbar muscle strain or third lumbar transverse process syndrome. In this case, transverse third lumbar syndrome is characterized by tightness in the muscles of the lower back and tenderness in the area of the transverse third lumbar vertebra. Another cause is lumbar disc herniation, the pain is usually in the middle of the lumbar spine in the intervertebral space position, if there is pain or pressure pain in this position, it is highly suspected to be a lumbar disc herniation, if the diagnosis is clear, it is necessary to go to the hospital to check the lumbar spine CT or even MRI, basically, to be able to confirm the diagnosis. Excluding lumbar disc herniation, usually lumbar muscle strain or third lumbar transverse process syndrome, usually can do massage, massage, external ointment, the symptoms will slowly improve.