There is no such thing as 3 best combinations of American ginseng. American ginseng is used for qi deficiency and yin deficiency, coughing, phlegm and blood, deficiency heat and irritability. According to different identification, American ginseng can be paired with medicines such as schizandra, maitake, yuzhu, chuanbeimu and maitake. Radix Panax Ginseng has the effects of clearing heat and generating body fluid, nourishing Yin and tonifying Qi. It is often used together with Fructus Schisandrae chinensis and Ophiopogon, etc. It is suitable for the symptoms of both qi and yin loss caused by heat illness or great diarrhea, vomiting, great blood loss and sweating, which depletes the yin and fluid as well as the vital energy, such as incessant sweating, mental fatigue (mental exhaustion and physical weakness), heartburn and thirst, shortness of breath, shortness of urine, redness and astigmatism. Radix Panax Ginseng can be used for deficiency of qi and yin, coughing, phlegm and blood, deficiency heat and tiredness. It can be used in conjunction with yuzhu, chuanbeimu and maitong to treat cough with little sputum, shortness of breath and shortness of breath, or blood in sputum caused by fire-heat depletion of qi and yin in the lungs. It can also be used for qi deficiency and fluid injury, internal heat and thirst (internal fever accompanied by symptoms such as eating more, drinking more and urinating more), dry mouth and throat, and is often used together with watermelon cress, maitake, bamboo leaf, etc. It is used for thirst and heartburn caused by heat injury to qi and fluid, body heat and sweating, and body fatigue with less qi. It should not be used together with quinoa. It is not suitable for people with weakened middle yang and cold dampness in the stomach, and the adverse effects are not clear. Please do not use the drug by yourself to avoid adverse reactions.