It is possible to take American ginseng for mouth ulcers, but the therapeutic effect of taking American ginseng for mouth ulcers is limited. As a proprietary Chinese medicine, American ginseng has certain effects on regulating the body’s functions, but its effects on mouth ulcers are limited. The cause of mouth ulcers has not been determined yet, but there are many known factors that may cause mouth ulcers, including genetic factors, hormone secretion factors, infection factors, nutritional deficiencies, and even psychological factors, in addition to immune factors, which are all related to mouth ulcers. The preferred way to treat mouth ulcers.