Low back pain and kidney are related. The relationship between the two is mainly manifested in the following two aspects: 1. Low back pain and the anatomical kidney are related. The relationship between the two is mainly manifested in that if there is a related disease in the kidney it will often show symptoms of low back pain, such as during the attack of nephritis, kidney stones or tumors of the kidney may produce low back pain. Infected lesions in the lumbar region, such as tuberculosis of the lumbar spine, may also cause infection in the kidneys. And infections of the kidneys, such as pyelonephritis or other urinary tract infections, may also affect the lumbar region when they develop. So both of these diseases may manifest as lumbago.2. Low back pain is related to the kidneys in Chinese medicine. The five organs inside Chinese medicine do not refer to the anatomical five organs, but to the related functional areas. The kidneys are responsible for reproduction and hiding the innate essence, while the waist is the capital of the kidneys. If the kidneys have related diseases, they will definitely show symptoms related to the waist, and low back pain is one of the most common symptoms.