There are no clear rules for the eighty-year-old to take American ginseng. Generally speaking, under the guidance of traditional Chinese medicine practitioners, 80-year-old people can take American ginseng by decocting it into soup or into pills or powder. American ginseng is a traditional Chinese medicine with the effect of tonifying qi and nourishing yin (nourishing the body’s qi and yin), clearing heat and generating fluids (clearing heat and generating fluids). It is mainly used in treating qi and yin deficiency (a condition in which the body’s qi and yin are deficient), lung qi deficiency and lung yin deficiency (a condition in which the lungs are deficient in qi and yin), and thirst due to qi deficiency and fluid injury in heat diseases (a condition in which warm and hot evils invade the body and cause thirst). This product is used internally in decoction or in pills or powder. The adverse effects of Radix et Rhizoma Ginseng are not known. Combining with Veratrum is contraindicated. Care should be taken during the period of taking the medicine. It is contraindicated when there is cold-dampness in the stomach (cold-dampness evil in the stomach). From the usage and contraindications of American ginseng, there is no age limit for this product. Therefore, within the scope of indications, 80-year-old people can take it by decocting soup with water or into pills or powder. If you need to use the medicine, you need to use it under the guidance of a Chinese medicine practitioner to identify the symptoms, and you should not use the medicine on your own to avoid adverse effects on the body.