Radix Panax Ginseng is a proprietary Chinese medicine with the effects of tonifying qi and nourishing yin, clearing heat and promoting generation of body fluid. It can be taken in the morning or in the evening, and the specific dosage should be in accordance with the doctor’s instruction. Radix Panax Ginseng is sweet, slightly bitter and cool in nature, and it belongs to the heart, lung and kidney meridians, which can nourish qi and yin, clear heat and generate body fluid. It can be used in the treatment of spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with slight movement), mental fatigue, fatigue, shortness of breath, asthma, cough, coughing up sputum with little sputum, sputum with blood in it, heartburn, thirst, and urination with shortness of urine and redness and astringency. Allergic to American ginseng is prohibited, and allergy sufferers should be cautious of using American ginseng. It should not be used together with quassia. Those who suffer from the above mentioned diseases caused by deficiency of qi and yin need to take American ginseng according to the doctor’s prescription to avoid delaying the condition. There is no time requirement for taking the medicine, so it can be taken in the morning or at night.