Cough is generally not allowed to use American ginseng because it has the effect of benefiting qi and generating body fluid. Many people say that nowadays, cough and throat are dry, so they take American ginseng to benefit qi and generate body fluid, but this is not how American ginseng is used. Western ginseng is still a ginseng, its beneficial effect is really very good, and the beneficial effect of qi and vitality may be much better than the effect of lung qi, because the lung is an external organ, the human body will enter many dirty things when breathing, so the lung is often prone to the accumulation of some heat evidence, in Western medicine is easy to inflammation in the lung, why? Because of the frequent exposure to these pollutants, this time to supplement the lungs should not be the whole flat tonic, but what is lacking to supplement what, such as Yin deficiency to supplement Yin, Yang deficiency on warming, if the lack of blood to nourish the blood, which should be just right, appropriate and stop. Therefore, it is best to go to the hospital and let the doctor help you with the formula of ginseng, not to just take a ginseng and use it by yourself, even if American ginseng is very safe, it is not appropriate to use it in this way.