Radix Panax Ginseng is a yin tonic, while Radix et Rhizoma Ginseng is a qi tonic. The difference between the two medicines is that they have different efficacies and effects. 1. There are two kinds of ginseng: Northern ginseng and Southern ginseng, both of which have the efficacy of nourishing yin and clearing the lungs (by nourishing the fluids in the lungs to get rid of lung heat), benefiting the stomach and generating fluids (by replenishing the fluids in the stomach to nourish the stomach), and can be used in treating the dry cough and little phlegm caused by the deficiency of lung yin, dry pharynx, hoarseness and so on, and can also be used in the treatment of the symptoms caused by the deficiency of stomach yin, such as dry mouth and excessive drinking, hunger and lack of desire for food, and dryness in stools, etc. It is not recommended to use with fenugreek. Radix Panax Ginseng should not be used together with quinoa. 2. Radix Codonopsis pilosulae has the effects of tonifying qi, strengthening spleen, benefiting lung qi and generating body fluid. It can be used for treating cough, shortness of breath and low voice caused by deficiency of lung, spleen and qi, and it can also be used for treating yellowish color (yellowish color without luster), tiredness and weakness, dizziness, palpitation (rapid heartbeat, often accompanied by panic) caused by deficiency of qi and blood. Codonopsis pilosula should not be used for those who have solid or hot symptoms but are not deficient in positive qi, and it should not be used together with quinoa. The above is the difference between Radix Panax Ginseng and Radix et Rhizoma Ginseng, the specific use of drugs need to consult a professional physician’s advice. The adverse reactions of the two drugs are not clear. They should not be used on their own to avoid adverse effects on the body.