American ginseng has the effect of tonifying qi and nourishing yin, clearing heat and generating body fluid. It can be consumed by boiling, stewing, steaming, brewing, stewing chicken and so on. American ginseng is bitter, slightly sweet and cold in nature. It can be used in the treatment of deficiency of qi and yin, heatiness, coughing, phlegm and blood, internal heat and thirst (internal heat accompanied by eating, drinking and urinating), dry mouth and throat, etc. It is also used in the treatment of dryness of lung heat. In the treatment of dry cough with little sputum, chest tightness and shortness of breath, dry mouth and throat, it can be used with Sichuan Pei Mu and Xuan Shen; in the treatment of heat injury to qi and fluids with heat and sweat, thirst and heartburn, and tiredness, it is often used with watermelon cucurbit, maitake, dendrobium, etc; in the treatment of thirst and thirst, it is a kind of qi and yin injury with heat, it can be used with astragalus, maitake, and pollen of asparagus. There are many ways to take American ginseng, including boiling method, slicing American ginseng into a casserole, adding the right amount of water to cook on a gentle fire, and taking it on an empty stomach before breakfast; steaming method, drying American ginseng on a small fire, crumbling it into a fine powder, and taking 5g of American ginseng into an egg, and then taking it after steaming; and it can also be taken by rinsing method, with jujube method, and stewed chicken method, etc. The adverse effects of American ginseng are not clear. Adverse effects of American ginseng is not clear, can not be used with quinoa; for phlegm-dampness is heavy, coughing with phlegm or edema, people with cold constitution should not take. Patients who are not feeling well are advised to consult a doctor before using American ginseng.