Condition analysis: Men with sexual dysfunction caused by deficiency of kidney yin can usually take more drugs to tonify kidney yin, and food supplement is also a good way. For example, cooking porridge with mulberry seeds and medlar also has a good effect. Kidney yang deficiency will first cause low back pain, because the waist is the house of the kidney, and this kind of pain will generally feel cold. At the same time, the patient feels cold in the waist, which is a typical manifestation of kidney-yang deficiency. In addition, extending to the whole body, it will appear that the whole body is also afraid of cold. Because kidney yang is the foundation of the whole body, if the root is weak, the warming effect of the whole body yang will be reduced. Foods suitable for people with kidney-yang deficiency include seafood and leek seeds. In the case of kidney yin deficiency, fire is easy to flourish, and fire is prosperous due to yin deficiency. If those warm aphrodisiacs are used again at this time, it is equivalent to adding fuel to the fire, and the patient's fever is even greater. On the other hand, if the patient is afraid of cold due to kidney yang deficiency, it will be worse if some drugs for nourishing yin are used, and the patient can't stand the suggestion: Jinkui Shenqi Pill is mainly used to treat cough, asthma, impotence, premature ejaculation, chronic nephritis and other diseases caused by kidney yang deficiency.