Kidney yang deficiency mostly develops from kidney qi deficiency and is clinically characterized by low body function accompanied by cold symptoms. The main symptoms are soreness and pain in the waist and knees, aversion to cold and cold limbs, especially the lower limbs. Why? Secondary symptoms include dizziness, lethargy, pale or dark complexion, impotence, premature ejaculation, spermatorrhea, cold sperm infertility or uterine cold infertility, cold vaginal discharge, clear and long urine, polyuria at night, and prolonged defecation. It doesn't stop, and the grains don't melt, and diarrhea or edema occurs at the fifth watch, especially below the waist, which can't be lifted when pressed. In worse cases, the abdomen is distended, the whole body is swollen, palpitations, coughing and wheezing. The tongue is pale, fat and has white coating, and the pulse is weak, slow or thin.

Kidney yin deficiency is usually caused by long-term illness that damages the kidneys, excessive labor, or excessive consumption of warm and dry products that disrupt yin, or congenital deficiencies. The main symptoms include soreness in the waist and knees and fever in the five palpitations. Secondary symptoms include dizziness, tinnitus, insomnia and dreaminess, hot flashes and night sweats, dry throat, red cheeks, weight loss, yellow urine and dry stools, impotence in men, spermatorrhea, premature ejaculation, infertility, oligomenorrhea and amenorrhea in women. , infertility. Red tongue with little fluid, thready and rapid pulse. Clinically, there are often cases of yin and yang deficiency, which should be distinguished according to principles.