Lateral lumbar pain is commonly caused by trauma, bone and soft tissue diseases, genitourinary diseases and herpes zoster. 1. Trauma: due to violence, excessive pulling and other reasons can lead to local muscle injury, the patient may show the affected side of the lumbar pain, combined with the history of trauma and local symptoms is not difficult to diagnose. 2. Bone and soft tissue diseases: this kind of disease is one of the common causes of lumbar pain, such as lumbar disc herniation, fasciitis, lumbar transverse syndrome, etc., which can be combined with lumbar MRI and CT for further examination. 3. Genitourinary diseases: urinary stones, upper urinary tract infections can appear in the lumbar pain, stones can also appear in severe colic. Female adnexitis, pelvic inflammatory disease can also cause lumbar pain due to inflammatory stimulation. 4. Herpes zoster: this disease in the appearance of skin lesions can be localized pain, often accompanied by burning sensation, electric shock sensation, such as see the typical skin lesions can be basically diagnosed. Lateral lumbar pain has a variety of causes, such as after rest is still no significant improvement, it is recommended that timely consultation, under the guidance of the doctor to find the cause of the disease and targeted treatment, do not use drugs privately.