The human body usually can not accurately feel the visceral pain, because the kidney is a retroperitoneal organ, the pain caused by its lesions are mostly manifested as lumbago, and some patients may mistakenly believe that the lumbar pain are all kidney problems, in fact, it may also be strain and other problems. 1, kidney lesions: clinical common acute pyelonephritis, kidney stones, renal tuberculosis, acute glomerulonephritis, etc., mostly due to bacterial infection, abnormal metabolism of the body, etc. It can cause unilateral or bilateral low back pain. Patients mostly have obvious pressure pain in the kidney area and percussion pain at the cribriform angle, and may also be accompanied by symptoms such as frequent urination, urgent urination, painful urination and high fever. In some patients, the lesion may also extend to form a perirenal abscess, which mostly manifests as significant low back pain. There are certain differences in the treatment of such diseases, and medical consultation is required according to the specific cause. 2. Strain: including lumbar muscle strain, long-term strain, and lumbar disc herniation, etc. Patients commonly suffer from low back pain, which may be mistaken for kidney pain. Symptoms can be improved through physical therapy, acupuncture, etc. If accompanied by inflammation, oral antibiotics can also be used for treatment, and severe pain can be closed for treatment; 3, other: such as female dysmenorrhea, pelvic inflammatory disease, etc. can also cause low back pain, which needs to be combined with specific performance and examination to aid diagnosis and symptomatic treatment.