Common causes of pain in the middle of the back include lumbar disc herniation, lumbar muscle strain, trauma, etc. General treatment, medication, physical therapy, surgery, etc. can be carried out according to the specific cause. 1. Herniated lumbar intervertebral disc: when the intervertebral disc is herniated, it will compress the nerve root and lead to pain in the middle of the waist, which can be relieved by taking non-steroidal anti-inflammatory drugs (such as celecoxib), lumbar spine traction, local massage, etc. Surgery is needed in serious cases. 2. Lumbar muscle strain: often due to acute lumbar sprain or long-term heavy physical labor caused by aseptic inflammation, resulting in lumbar pain, can be relieved by local hot compresses, massage, pain is obvious when you can take non-steroidal anti-inflammatory drugs (such as celecoxib). 3. Trauma: when the lumbar area is fractured by trauma, it can cause pain in the middle of the waist, and then need to consider taking surgical treatment. The pain in the middle of the waist may also be related to other causes, should consult a doctor in time to clarify the cause of the disease, and standardized treatment under the guidance of the doctor.