Left back pain, according to the cause of the pain and do the corresponding treatment: 1, if the left side of the back of the myofasciitis, usually can be taken orally non-steroidal anti-inflammatory drugs, to anti-inflammatory pain treatment; in addition to the local external application of swelling pain, blood circulation and blood stasis of the ointment or do some physical therapy, slowly the symptoms will get better. 2, if it is the thoracic spine, small joints are misaligned compression of the back of the back of the nerves back pain, usually can go to the regular hospital to find a special massage doctor, after the small joints are reset generally symptoms will soon be relieved. If the small joints of the thoracic spine are misaligned and compress the nerves in the back, the back pain will be relieved soon after the small joints are reset by a doctor specializing in acupressure at a regular hospital. 3. If the cervical spondylosis is degenerative, such as small joints misalignment, osteophytes or herniated discs, which compress the nerve roots on the left side of the body and cause the back pain on the left side of the body, the cervical spondylosis should be treated mainly by cervical spine traction, physical therapy, medication or acupuncture, Chinese medicine, massage therapy, or acupuncture. Cervical traction, physical therapy, medication, or acupuncture and tui-na therapy in Chinese medicine can all achieve good results.