The manifestations of kidney yang deficiency include lumbar and knee soreness (the feeling of lumbar and knee soreness and weakness), fear of cold limbs (fear of cold, cold limbs), mental depression, impotence in men, infertility in women with uterine cold, prolonged diarrhea, swelling of limbs, and so on. Kidney yang deficiency refers to the symptoms of kidney yang deficiency, mostly caused by vegetarian yang deficiency, high kidney loss, chronic disease injury to the kidneys, overwork and other factors. The waist is the capital of the kidneys, kidney yang deficiency (deficiency of yang qi of the kidneys), can not warm and nourish the waist and bones, then the waist and knees are weak and painful; can not warm the skin, so the fear of cold limbs cold. Insufficient yang qi, yin cold in the lower, so the lower limbs are especially bad. Yang deficiency can not warm the body, invigorate the spirit, so the spirit of depression. Kidney main reproduction, kidney yang insufficiency (lack of yang qi of the kidneys), the fate of the fire failure (body kidney yang weakness, warm and promote the function of qi and blood operation is reduced), reproductive dysfunction, men can be seen impotence, women can be seen in the uterus cold and infertility; the fate of fire failure, the fire does not produce earth, the spleen is not healthy, so the prolonged ejaculation is more than the completion of the grain does not melt (stools in the more undigested food) or diarrhea (diarrhea in the pre-dawn). Kidney yang deficiency clinical manifestations of cold pain in the waist and knees, fear of cold limbs cold, impotence, premature ejaculation, mental instability, the emergence of related symptoms need to consult a doctor in a timely manner, the individual should not self-diagnosis or medication, so as not to delay the condition.