The common clinical locations of low back pain are median low back pain and low back pain on both sides, especially in young people, which need to be distinguished from lumbar spine diseases. Generally, left-sided low back pain is mainly in the kidney area, but there are other diseases that can cause low back pain, such as lumbar muscle strain or herniated disc. Left-sided low back pain needs to be distinguished from kidney disease or even urinary stones. This kind of low back pain is often characterized by sudden onset and stop, i.e. sudden onset of low back pain, which is very intense and often accompanied by paroxysmal aggravation, commonly known as colic, and also accompanied by cold sweat, nausea, vomiting and other such conditions. Therefore, it is often necessary to go to a specialized orthopedic clinic to identify this side of the back pain in order to avoid missing the diagnosis. Common lumbar spine diseases, such as lumbar sprain, lumbar disc herniation, the pain is mostly in the middle of the lumbosacral region, the pain is continuous, generally related to strain, cold, etc.. For example, prolonged sitting, prolonged standing, bed rest will be relieved. If you suspect a lumbar disc herniation, it is advisable to perform a CT or MRI examination of the lumbar spine, and if the symptoms are mild, conservative treatment is possible.