American ginseng is known as American ginseng, the medicine is usually not on fire when drunk in water. American ginseng is sweet, slightly bitter and cool in nature, and belongs to the heart, lung and kidney meridians. It has the effects of tonifying qi and nourishing yin (replenishing yang qi and nourishing yin qi), clearing heat and generating fluids, moistening the lungs and relieving coughs, and can treat qi deficiency and yin deficiency, deficiency heat and fatigue, internal heat and thirst (internal fever accompanied by symptoms such as excessive eating, drinking and urinating), coughing, wheezing, phlegm and blood. It should be noted that, due to the cold nature of American ginseng, it is not suitable for patients with cold spleen and stomach (weak and cold spleen and stomach), so as not to aggravate the symptoms of cold spleen and stomach, resulting in diarrhea, abdominal pain and other discomforts. And the efficacy of this medicine in water is limited, and it cannot replace the medication to treat the disease. Therefore, when you need to use American ginseng in water, it is recommended to go to a regular hospital and use it under the guidance of a professional physician.