A cough back pain consider lumbar muscle strain, lumbar muscle injury, lumbar intervertebral disc herniation and so on. 1. Lumbar muscle strain: long-term sedentary, stooping work and heavy manual labor, causing lumbar muscle strain, if you do not get enough rest, no formal treatment, there will be a cough on the phenomenon of lumbar pain. 2. Lumbar muscle injury: strenuous activities lead to lumbar muscle injury, oozing, edema, inflammatory factor aggregation. If the cough is intense, it will cause muscle involvement pain. 3. Lumbar intervertebral disc herniation: long-term poor sitting posture, or trauma caused by lumbar intervertebral disc herniation, when coughing, due to the increase in intra-abdominal pressure, causing lumbar intervertebral discs backward protrusion aggravation, compression of the local nerve root, lumbago. Cough after the appearance of back pain, it is recommended to actively seek medical attention, physician guidance under the treatment.