Patients with emphysema who have symptoms related to deficiency of qi and yin can drink American ginseng under the guidance of a physician. From the point of view of the efficacy and role of American ginseng, American ginseng is not a contraindication drug for emphysema, if emphysema patients with symptoms of qi and yin deficiency can take American ginseng under the guidance of a physician. However, it should be noted that American ginseng does not have the effect of treating emphysema itself. If there is a need for treatment, it should be standardized under the guidance of a doctor for the cause of emphysema. American ginseng is a traditional Chinese medicine with the effects of benefiting qi and nourishing yin (tonifying qi, replenishing yin fluid), clearing heat and generating fluids, and can be used for treating qi deficiency and yin deficiency, deficiency heat and fatigue, coughing, phlegm and blood, internal heat and thirst (internal fever accompanied by symptoms such as overeating, excessive drinking, and excessive urination), dry mouth and throat, etc. Adverse effects of this product are not clear. The adverse effects of this product are not clear. This product should not be used in conjunction with Veratrum. It is contraindicated in cases of deficiency of yang in the middle, obstruction of cold and dampness, and depletion of qi and fire, etc. It should not be used in cases of solid evidence and fire depression. Chinese medicines should be used under the guidance of a Chinese doctor, and individuals should not use them blindly to avoid adverse effects.