The inability to straighten the back may be caused by the patient’s own habits, spinal problems, vertebral fracture or ankylosing spondylitis. Depending on the causes, different treatment programs are adopted, including conservative treatment and surgical treatment. 1. Own habits: If the patient’s own posture habits, such as standing posture, walking posture, sitting and standing posture is not appropriate, it may cause the back functional straight up, it is recommended that the patient should adjust the posture problems in a timely manner, carry out functional exercises to strengthen the back muscle strength, so as to alleviate this situation. 2. Spinal problems: If there are organic lesions of scoliosis and kyphosis, it will cause the back not to straighten up. You should go to the hospital for examination to clarify the degree of scoliosis or kyphosis and wear a brace or undergo surgery. 3. Vertebral fracture: If there is a history of trauma, resulting in vertebral fracture, which will lead to back straightening, it is recommended that one should go to the hospital in time for examination, to clarify the condition of the bones, and under the guidance of the doctor to carry out treatment. 4. Ankylosing spondylitis: generally occurring in young men, the cause of which is not yet clear, spinal activity will be limited, resulting in the back can not be straightened up, at present can not be cured, but only symptomatic treatment, such as taking celecoxib, meloxicam and so on to ease the pain and stiffness, reduce the inflammation, and the use of methotrexate, salicylate sulfapyridine and so on to prevent exacerbation of the disease. There may be other reasons why the back is not straight, so it is recommended that the patient should go to the hospital in time to clarify the cause of the disease, and under the guidance of the doctor to carry out the appropriate treatment. The above drugs should be used under the guidance of a doctor.