Because of the cold nature of American ginseng, it should be taken with caution by those who have deficiency of middle yang, cold and dampness obstruction (cold and dampness blocking the spleen and stomach in the central part of the body), and those who are hot and damp, and should not take quinoa and radish during the period of taking American ginseng. American ginseng is the dried root of American ginseng of the family Wujiaceae. It is sweet, slightly bitter and cool in nature. It belongs to heart, lung and kidney meridians. It can replenish qi and nourish yin, clearing heat and generating fluids. It is used in treating deficiency of qi and yin, deficiency of heat and tiredness, coughing, asthma, phlegm and blood, internal heat and thirst (internal heat accompanied by eating, drinking and urinating, etc.), dry mouth and throat. Radix Panax Ginseng in water has a certain effect on improving the above mentioned diseases, but the efficacy and effect that the tea drink can play is limited, it is recommended to use the medicine under the guidance of a doctor, do not take the medicine on your own.