Back pain at night can be caused by the following reasons: first, kidney deficiency, kidney deficiency can be symptoms of back pain at bedtime, accompanied by fatigue, weakness and weakness of the waist and knees, which should be diagnosed at the Department of Traditional Chinese Medicine and treated with oral kidney medicine at an early stage. Second, tumors of the spine, when there are tumors or metastases in the spine can appear symptoms of low back pain when sleeping, then early blood tests and spinal MRI, CT, to early diagnosis and early treatment. Third, osteoporosis of the spine, osteoporosis of the spine can also appear at night when the symptoms of low back pain in bed, then early X-ray and CT of the spine should be checked for early diagnosis. Fourth, severe lumbar and dorsal myofasciitis, severe lumbar and dorsal myofasciitis patients can also appear at night when sleeping with low back pain, it is necessary to check the body early, avoid cold, strain, exclude other diseases to early diagnosis.