American ginseng is popular mainly because it is suitable for modern human body.In our daily life, excessive protein intake and inadequate exercise lead to obesity, sweating, thirst, fatigue and other symptoms of Qi deficiency. Yin deficiency (symptoms of insufficient body fluids) is also very common.The nursing by American ginseng is not dry and has a peaceful effect, which meets the requirement of this aspect. So mental workers like to use it to refresh themselves. Menopausal women and diabetic patients also love American ginseng products. The anti-oxidation, anti-fatigue, memory enhancement and sedation of American ginseng, and its special medical and health functions have also been proved by modern research.American ginseng can be cooked in soup, orally contained and brewed. It can be used alone or prescribed as medicine. This book introduces the origin and species, harvesting process, identification, efficacy and market trend of American ginseng, and provides 35 kinds of medicinal meals.