American ginseng, also known as American ginseng or Bashan ginseng, has a smooth surface for four to five years. It is a cold tonic for the elderly and children and is suitable for all seasons. It is the most popular one among consumers. It is a tonic for prevention, health care, disease management and treatment. Ginseng, which everyone takes daily, is called American ginseng in Chinese medicine and belongs to the dry root of American ginseng in Araliaceae. According to the annotation of Compendium of Materia Medica, its pharmacology is: "American ginseng is sweet, slightly bitter and cool. Strong flavor and thin gas, nourishing lung, reducing fire, promoting fluid production, quenching thirst, and eliminating fatigue, which is suitable for people with deficiency fire. It can be seen that its curative effect is not too extensive, and it is mainly based on promoting fluid production and nourishing yin, benefiting stomach and promoting fluid production, benefiting qi and clearing heat. Because of its cold nature, it is not suitable for the weak with stomach cold and dampness and middle-yang deficiency. In addition, during taking, we should pay attention to diet and avoid eating radish and spicy food, so as not to affect the efficacy of American ginseng.