Herbal medicines that nourish yin and generate fluids include dendrobium, maitong, and xiyangshen. 1. Dendrobium: Dendrobium has the efficacy of benefiting the stomach and generating fluids (nourishing the stomach by replenishing fluids in the stomach), nourishing yin and clearing heat (nourishing yin essence and clearing heat), and is mainly used in the treatment of stomach yin deficiency and kidney yin deficiency with symptoms such as thirst, tidal heat of bone vapor (a burst of heat, feeling that the heat is coming from the inside of the bone to the outside), and soreness and weakness in the waist and knees (the sensation that the waist and knees are sore, weak and feeble). Dendrobium is forbidden to be taken by those who have not injured the yin in the early stage of warm-heat disease, those who have not turned dry in wet-warm disease (warm disease caused by feeling dampness and heat), and those who have deficiency cold in the spleen and stomach (spleen and stomach are weak and cold). 2. Maitong: Maitong has the effect of moistening the lungs to stop coughing, generating fluids to quench thirst (promoting the generation of fluids to relieve thirst), clinically, it is mainly used for patients with lung dryness and yin deficiency, which can alleviate the symptoms of coughing, thirst, and heartburn and insomnia that occur in this kind of patients due to lung dryness. Spleen and stomach deficiency cold (spleen and stomach weak cold) diarrhea, stomach phlegm (water metabolism disorders formed by the pathological products) dampness and stormy wind-cold coughing are contraindicated. 3. Radix Panax Ginseng: Radix Panax Ginseng has the efficacy of tonifying qi and nourishing yin, clearing heat and generating fluids, and is used to treat symptoms of qi and yin injuries such as fatigue of the spirit (mental exhaustion and physical weakness), heartburn and thirst, dry stools, cough with little phlegm, physical fatigue and heartburn. It should not be used in conjunction with veratrum. It is contraindicated for those with weakened middle yang and cold-dampness in the stomach. The adverse effects of the above herbs are not known. There are many other traditional Chinese medicines that nourish yin and promote the production of fluids, and it is important to consult a professional physician before using any medication.