There is no authoritative information on how many grams per day is the dosage of American ginseng. The general dosage is 3 to 6g, but the specific dosage of the drug used per day should be under the guidance of a doctor and cannot be generalized. American ginseng is sweet, slightly bitter, cool in nature, and belongs to the heart, lung and kidney meridians. Radix Panax Ginseng can tonify qi and nourish yin, clear away heat and promote the production of fluids, and can be used clinically to treat qi deficiency and yin deficiency, deficiency heat and tiredness, coughing, phlegm and blood, internal heat and thirst (internal heat accompanied by symptoms such as eating, drinking and urinating), dry mouth and throat, etc. In addition, it can also be used to treat the symptoms of weak yang, weak stomach, and weak kidney. In addition, those who have weak yang and cold dampness in the stomach should not use American ginseng; American ginseng should not be used with quinoa. When the body is not feeling well, patients need to go to the hospital, follow the doctor’s advice to use American ginseng, do not use blindly.