There is no such thing as “what does a man eat to strengthen his kidneys”, but a man can use the strong yang to strengthen his kidneys, gui shui dihuang pill, Jian Yang tablets and other drugs for treatment. 1. Strong Yang Pills: can tonify the kidneys and help Yang, used for kidney Yang deficiency (lack of yang qi of the kidneys), manifested in waist soreness and leg weakness, mental fatigue, as well as impotence and spermatorrhea, and other symptoms. It should not be used by those who are suffering from impotence due to liver depression and fear of injury to the kidneys. 2. Gui Fu Di Huang Wan (桂附地黄丸): it can warm the kidney yang (warming and replenishing the yang qi of the kidneys) and is used in cases of renal yang insufficiency (lack of yang qi of the kidneys), which manifests in symptoms such as lumbar and knee impotence and coldness, dysuria, and coughing due to phlegm and drink (pathological products of impaired metabolism of fluids). Note that the use of drugs should abstain from sexual intercourse. 3. Jian Yang Tablet: It has the effect of tonifying the kidney and benefiting the essence (replenishing the kidney essence in the body), and it can also help the Yang to promote impotence, which can be used for the symptoms of impotence and premature ejaculation and other symptoms of low sexual function in the case of kidney deficiency and Yang failure. Note that it should be used with caution in cases of liver and kidney insufficiency. Avoid excessive sexual intercourse and coldness, and prevent the body from cold and dampness as well as exertion. Before taking the above medicines, it should be used under the guidance of a Chinese medicine practitioner, and should not be purchased and used on its own, so as to avoid delaying the condition.