The pain in the middle of the back of a man usually has the following causes: 1, due to the interspinous ligament and supraspinous ligament of the lumbar region, strains and strain, cold, etc., the formation of chronic sterile inflammatory lesions, the peripheral nerves around the stimulation of pain symptoms, usually in the bending of the back on the foci of pulling stimulation, pain symptoms increased. 2, there may be small joints of the lumbar spine, also called synovial joints The pain symptoms are very obvious, so go to the hospital for lumbar wrenching and resetting of the synovial joints to effectively relieve the pain symptoms. 3, due to the lumbar and lumbosacral locations, muscle and ligament-related attachment point strain or strain, also prone to pain symptoms, but the pain symptoms are relatively light. 4, due to lumbar disc herniation, the protruding The herniated disc stimulates the surrounding nerve endings, resulting in painful symptoms, accompanied by numbness or radiating pain in one lower limb.