There is no such thing as “which three kinds of people should not take American ginseng”, American ginseng, also known as western ginseng, need to pay attention to those who are allergic to American ginseng, those who have deficiency of yang, those who are blocked by cold and dampness, and those who are embedded with dampness and heat, and it is recommended to use it under the guidance of doctor, not to take it by oneself. American ginseng is cold in nature, sweet in taste and slightly bitter in taste, with the functions of benefiting qi and nourishing yin (tonifying qi and yin), clearing fire and generating body fluid, suitable for coughing, wheezing, phlegm and blood due to qi and yin deficiencies (deficiency of both qi and yin), deficiency of heat and tiredness, internal heat and thirst (fever accompanied by symptoms such as eating, drinking and urinating), dry mouth and throat, etc. It is also useful for those who are allergic to Chinese yang. Western ginseng is cold in nature and should not be used by those who suffer from deficiency of yang in the middle, deficiency of cold in the spleen and stomach (weak and cold spleen and stomach), diarrhea and fear of cold; western ginseng has a tonic effect and should not be used by those who suffer from cold-dampness intermediate obstruction (chest tightness and abdominal distension, lack of desire for food and drink, and white and greasy tongue coating), or dampness-heat intermediate obstruction (accumulation of dampness and heat to form stasis), which is characterized by chest tightness and abdominal distension, mucous stools, and yellow and greasy tongue coating. If you need to use medication, it is recommended to use it under the guidance of a professional doctor’s diagnosis, and not to use medication blindly on your own, so as not to delay your condition.