Condition analysis: Opinions and suggestions: Kidney yin, also known as Yuan yin and true yin, is the basis of yin fluid in the human body and plays a nourishing and moistening role in various organs, tissues and organs. In addition, kidney yin can restrict the yang energy in the kidney and prevent it from overactive and reckless action. Insufficient kidney yin has two pathological manifestations: one is insufficient nourishment, with symptoms such as dizziness, tinnitus, vision loss, weight loss, and dry throat and tongue. The second is that yin does not control yang, and the deficiency and heat are internally disturbed. Symptoms include five upset fever, hot flashes, red cheeks, night sweats, insomnia, and nocturnal emissions. For its treatment, those with mild deficiency and heat can mainly nourish kidney yin, and can use Zuogui Pills, Liuwei Pills, etc.; for those with more obvious deficiency and heat, nourishing yin and reducing fire should be the main method, and Zhibai Dihuang Pills and Dabuyin Pills should be used. Cure it. Kidney yang, also known as true yang and yuan yang, is the foundation of human yang qi. It has the functions of warming the body, promoting qi transformation and restricting kidney yin. On the one hand, its pathology manifests as lack of warmth, with symptoms such as mental fatigue, fear of cold limbs, cold pain in the waist and knees, impotence, uterine cold, etc.; on the other hand, it manifests as inability to transform qi, abnormal water and liquid metabolism, and oliguria, Symptoms such as edema. The basic rule of treatment is to warm and nourish kidney yang. If there is a problem of water stasis, diuresis should be used to promote water retention to take into account the symptoms. For kidney yang deficiency, you can eat dog meat, mutton, leeks, and loaches for dietary supplements. The medicines include Shenbao, Yucistanche, Jingui Shenqi Pills, Yougui Pills, etc.