The active ingredients of American ginseng in water are limited and generally do not achieve the therapeutic effect, the specific method and dosage should follow the doctor’s instructions. American ginseng is the root of American ginseng, a plant of the ginseng family, which belongs to the heart, lung and kidney meridians, with a sweet, slightly bitter flavor and cool nature. It has the efficacy of tonifying qi and nourishing yin, clearing heat and generating fluids. It is used in treating deficiency of qi and yin, internal heat, coughing, phlegm and blood, deficiency heat and tiredness, thirst, dry mouth and throat. Usually it can be combined with other drugs to achieve the effect of nourishing the heart. As the actual condition of each patient is different, the dosage of drinking water with American ginseng is also different. It is generally recommended to put 3-6 grams of American ginseng into a tea bowl and brew it with boiling water directly, and drink it when the water temperature is suitable. If you need to use American ginseng, you need to use it under the guidance of a professional Chinese medicine practitioner. It is not advisable to use the medicine by oneself to avoid delaying the condition.