Lumbar soreness is not necessarily caused by kidney deficiency, the specific analysis is as follows: 1, the most common in kidney deficiency and caused by lumbar soreness, Chinese medicine believes that the waist is the capital of the kidneys, so the lumbar discomfort symptoms are mostly related to the kidneys, and the kidneys are mostly to the main manifestations of deficiency, such as kidney yin deficiency, more lumbar soreness, pain, accompanied by heartburn, hot flashes and night sweats, emaciation, etc., if the main deficiency of renal yang is to lumbar soreness, cold pain, accompanied by fear of cold limbs, pale face, if there is kidney qi deficiency, it shows lumbar hollow pain, accompanied by weakness, dizziness and tinnitus. Cold pain, accompanied by cold fear of cold limbs, pale color, if there is kidney qi deficiency is manifested in the lumbar hollow pain, accompanied by weakness, dizziness and tinnitus. 2, lumbar soreness and pain can be caused by exogenous wind-cold dampness, if wind-cold dampness trapped in the lumbar capital of the internal obstruction to the lumbar loss of moistening, can also be manifested in the lumbar soreness, pain, accompanied by cold fear of cold limbs, cold aggravation or lumbar soreness, a feeling of heaviness, such as sitting in the water, etc..