Back pain can not bend can be caused by the following reasons: first, lumbar muscle strain, when the muscles of the waist due to strain or long-term bending holding objects, sedentary and strain, can appear back pain can not bend the symptoms, then to early examination and examination, to exclude other diseases to diagnose. Secondly, lumbar dorsal myofasciitis, lumbar dorsal myofasciitis patients can have pain in the back of the waist, not able to bend, then early examination and examination, early diagnosis, early physiotherapy and oral medication. Third, lumbar disc herniation, patients with lumbar disc herniation can have symptoms of lumbar pain, when bending can have pain aggravated and do not dare to bend. Fourth, lumbar instability and lumbar spine slippage, which can also have lumbar pain when bending, part of the patient pain like a broken back, this time to check the spine X-ray, CT and nuclear magnetic to early diagnosis and treatment.