Low back pain is one of the symptoms of kidney deficiency, but it is not necessarily kidney deficiency. Other causes such as lumbar muscle strain, lumbar diseases and internal diseases can manifest as lumbar soreness. Chinese medicine considers lumbar soreness as one of the symptoms of kidney deficiency, and kidney yin deficiency and kidney yang deficiency are the common types of kidney deficiency. Kidney deficiency can be manifested as lumbar soreness, weakness, limb weakness, and may be accompanied by dizziness and tinnitus. In addition, diseases of the spine and its surrounding soft tissues, such as lumbar muscle strain, lumbar disc protrusion, sprain, etc.; spinal cord and spinal nerve disorders, such as spinal cord tumor, myelitis, etc.; diseases of internal organs, such as uterine and adnexal diseases; mental factors; kidney diseases, etc. can manifest as lumbago. Since there are more kinds of diseases that cause lumbar acidity. Therefore, when patients have symptoms of lumbago, they need to go to the Department of Internal Medicine or Orthopedics of Traditional Chinese Medicine in time to be diagnosed and given correct and effective treatment by professional doctors to avoid delaying the condition.