But it is necessary to distinguish between yin deficiency and yang deficiency: what is a person with yang deficiency? Yang is a function. If the function is incomplete, the sexual function will be weak, so some people have no morning sickness and their sexual desire is not strong. Generally, it is yang deficiency. Yin deficiency is essentially deficiency, which can be considered as malnutrition. People who desire too much but are quick are yin deficiency.
It is good to distinguish between yin deficiency and yang deficiency. People with yang deficiency can eat more medlar, yam, jujube, leek, mutton, dog meat and sea cucumber. If you need to take medicine, it is Roucong Bushen Pill, Guifu Dihuang Pill and Jinkui Shenqi Pill, all of which are very effective. People with yin deficiency should eat more black food, small walnuts. If you take medicine, it is Liuwei Dihuang Pill.
Regardless of yin deficiency and yang deficiency, stay up late less, go to bed early and get up early, and try to restore kidney essence. Take part in physical exercise and aerobic exercise. No psychological pressure. It is most important to keep a good attitude. Avoid having too much sex. After a period of time, kidney deficiency will come back again.