Herbs that nourish stomach yin include dendrobium and yuzhu. 1. Dendrobium: used for fever and fluid injury, dry mouth and thirst, gastric yin insufficiency (insufficient yin fluid in the stomach), less food and dry vomiting, and post-disease fever. Dampness and warmth (feeling dampness and heat caused by warm disease) are prohibited for patients who are not dry, cold in the spleen and stomach. 2. Jade Bamboo: used for coughing with dryness and heat, dry throat and thirst, internal heat and thirst (internal heat accompanied by eating, drinking and urinating), etc. It is not recommended for people with phlegm-dampness and qi stagnation. It is forbidden to take it for people with phlegm-dampness and stagnation of qi, and caution should be taken for people with spleen deficiency and loose stools (thin and unformed feces). 3. Ophiopogon: It is mainly used in treating dry lung and cough, cough with deficiency of Yin, paralysis of throat (redness, swelling and pain in the throat, or dryness, foreign body sensation, or itchy and discomfort in the throat, and difficulty in swallowing), sore throat, thirst due to injury of fluids, thirst due to internal heat, heartburn and insomnia, and constipation due to dryness of intestines, etc. It is not recommended for people with deficiency of spleen and stomach. Where the spleen deficiency loose stools, lungs and stomach with phlegm (water metabolism disorders formed by the pathological products) damp and turbid and the first sense of wind-cold cough should not be taken. If there is any discomfort, it is recommended to consult a doctor promptly. If medication is needed, it should be diagnosed by a doctor and regulated according to the doctor’s instructions.