Back pain at night can be caused by the following reasons: first, severe dorsal myofasciitis, severe dorsal myofasciitis patients can also have symptoms of back pain at night, especially when cold, back pain is very obvious when exertion, this time to early examination and examination to exclude other diseases for early diagnosis and early treatment. Second, tumors of the spine, when tumors of the spine grow, there can be pain in the back at night when sleeping, this is the progressive pain of tumor growth, which is a characteristic of tumor pain, then early examination of the spine MRI, CT to early diagnosis and treatment. Third, osteoporosis, severe osteoporosis can also involve the spine and cause back pain at night, especially when there is a compression fracture in the spine, the back pain is very significant.