Impotence, premature ejaculation is the most common set of clinical symptoms in men’s medicine, usually considered to be related to the physiological function of men, especially reproductive function and the kidney’s relationship is very close, because the kidney is the master of the sperm, kidney yin deficiency and kidney yang deficiency theoretically can lead to impotence, premature ejaculation symptoms, yin and yang are rooted in each other and use each other, any one of these aspects of the problem will lead to clinical symptoms. In clinical terms, impotence and premature ejaculation caused by kidney yang deficiency is more common, because the lack of kidney yang can not adequately promote blood flow, slow blood flow leads to a decline in male sexual function, and clinically you can also see fatigue, decreased libido, and so on, and then combined with impotence and premature ejaculation, become the symptoms of kidney yang deficiency. However, kidney yin deficiency can also lead to impotence and premature ejaculation. Insufficient kidney yin and kidney fire will be excessive, and excessive yin fire will push the semen to leak out, resulting in symptoms of premature ejaculation. Insufficient yin blood cannot provide dissolved oxygen to one’s meridians, especially those related to reproduction, and this can lead to symptoms of impotence. Therefore, impotence and premature ejaculation are clinically characterized by kidney yang deficiency, and kidney yin deficiency can also lead to the above symptoms in some cases.