American ginseng is also known as western ginseng. The efficacy of American ginseng and maitake in water is to replenish qi and nourish yin, clear away heat and promote the production of fluids, moisten the lungs and clear the heart, etc. It has the effect of relieving deficiency of qi and yin, dry lungs and dry coughs, and thirst due to injury of fluids. 1. American ginseng, also known as western ginseng, has the effects of tonifying qi and nourishing yin, clearing heat and promoting generation of body fluid, and can be used for symptoms such as deficiency of qi and yin, deficiency of heat and fatigue, coughing and wheezing, phlegm and blood, internal heat and thirst (internal fever accompanied by symptoms such as eating, drinking and urinating), and dryness of mouth and pharynx. It should be noted that the drug should not be used together with veratrum. 2. Ophiopogon has the efficacy of nourishing yin and generating fluids, moistening the lungs and clearing the heart, and can be used in the treatment of dry lungs and coughs, coughs due to deficiency of yin and consumptive cough, paralysis of the throat (redness, swelling and pain in the pharynx, dryness, foreign body sensation, itching and discomfort in the pharynx, and difficulty in swallowing), sore throat, thirst due to injury of fluids, thirst due to internal heat, heartburn, insomnia, and constipation due to dryness of the intestines, and other diseases. It should be noted that the drug is nourishing, it is recommended to take a light diet. In addition, the efficacy of the above medication in water is limited and should not be used as a substitute for medication in the treatment of diseases. If necessary, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the treatment.