If the chest tightness and shortness of breath are caused by insufficient lung qi, taking American ginseng can help, as American ginseng has the effect of tonifying qi and nourishing yin, clearing heat and generating fluids. However, if it is caused by other reasons, taking American ginseng will not work. However, it is important to note that the effect of a single Chinese medicine is weak, and it can be used together with other medicines under the guidance of Chinese medicine practitioners in order to achieve the best therapeutic effect. American ginseng is sweet, slightly bitter and cool in nature. It belongs to heart, lung and kidney meridians. It is used in treating deficiency of qi and yin, deficiency of heat and boredom, coughing, asthma, phlegm and blood, internal heat and thirst (internal heat accompanied by symptoms such as eating, drinking and urinating), dry mouth and throat, etc. It is also used in treating heat damage to qi and yin. If it is used to treat heat injury to qi and yin, deficiency heat and fatigue, excessive sweating and thirst, or prolonged cough and lung deficiency, qi and yin deficiency, dry cough with little phlegm, and shortness of breath and spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with a little movement), it is often used with maitake dong (麦冬)、wuweizi (五味子) and other medicines to replenish qi and nourish yin. This medicine should not be used with quassia. If you need to take Radix et Rhizoma Ginseng, it is recommended to take scientific treatment under the guidance of a doctor.