Ginseng can be taken in the morning or at night, there is no uniform medication time, the specific need to combine with personal circumstances to determine. American ginseng is a kind of traditional Chinese medicine, which is the root of American ginseng of the genus Ginseng of the family Wujiaceae. It is sweet, slightly bitter and cool in nature, with the effect of tonifying qi and nourishing yin, clearing away heat and generating fluids, and it can be used to treat qi and yin deficiency, lung qi deficiency and lung yin deficiency, and thirst and thirst of febrile diseases with deficiency of qi and fluids. There is no authoritative information to standardize the taking time of Radix Panax Ginseng, it can be taken in the morning or at night. The adverse reactions of this product are not clear. Note that this product is forbidden to those who are allergic to this product, allergic persons should be cautious, and those who have deficiency of middle yang, cold and dampness obstruction and dampness-heat and fire should be cautious of taking this product. If you need to use this product, it should be under the guidance of a physician, do not use the drug without authorization, so as not to cause adverse reactions.