Back pain can be caused by soft tissue injury, myofasciitis, bone degeneration, biliary system diseases and so on. 1. Soft tissue injury: the back muscles, fascia, ligaments and other soft tissues are not completely recovered after the injury, which may lead to back pain and discomfort. 2. Myofasciitis: prolonged strain and cold stimulation of the muscle fascia of the back can lead to myofasciitis of the back, and localized aseptic inflammation can stimulate back pain. 3. Bone degeneration: Bone degeneration of the back can occur due to aging and other reasons, local bone proliferation, stimulation and influence of proliferated bone, which can lead to the appearance of back pain. 4. Biliary diseases: acute and chronic cholecystitis, gallbladder stones and other diseases, in addition to the right upper abdominal pain, but also appear back sleepy, pain and other manifestations. When the back sleepy, should consult a doctor in time, under the guidance of a specialized doctor for treatment, will help to reduce the back discomfort symptoms early.