Performance: weak waist and knees, weakness of the legs, dizziness, tinnitus, insomnia and dreaming; men's Yang strong easy to lift or impotence, spermatorrhea, women's menstrual oligomenorrhea Kidney Yin Deficiency

; or see the leakage, emaciation, hot flashes and night sweats, heat, dry pharynx and cheekbones red; juvenile white hair, dreaming and grinding of teeth, urination, urination, yellow stools and dryness, red tongue, little fluid, thin and number of pulses. Chinese medicine believes that the kidney is the foundation of the innate, the yin essence in the kidney, is the total source of the yin fluid in the body. Yin essence loss will lead to a variety of diseases, such as: dizziness, tinnitus, lumbar and knee weakness, bone vapor, hot flashes, thirst (diabetes) and so on.