Lumbar discomfort may be caused by physiological reasons as well as trauma, lumbar muscle strain, fasciitis, lumbar disc herniation and other pathological reasons. 1. Physiological reasons: Lactic acid buildup in the lumbar muscles caused by overwork or excessive exercise causes lumbar discomfort. 2. Trauma: due to collision, fall and other causes of lumbar bone, muscle, fascia and other tissues of the injury, the patient may appear lumbar discomfort. 3. Lumbar muscle strain: chronic strain of the lumbar muscles due to long-term lumbar labor, patients may experience lumbar discomfort. 4. Fasciitis: due to long-term strain and other factors lead to lumbar muscles, fascia and other tissues of aseptic inflammation, the patient may appear lumbar discomfort. 5. Lumbar intervertebral disc herniation: due to various reasons caused by lumbar intervertebral disc herniation compression or stimulation of paravertebral nerves, which can lead to lumbar discomfort. Lumbar discomfort may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.