There is generally no requirement for an interval between American ginseng and medicines containing tribulus terrestris, and there are no contraindications between the two, thus most of them can be taken at the same time. American ginseng should not be used with quinine, while tribulus terrestris and quinine are completely different medicines, thus there is generally no time interval required between taking American ginseng and medicines containing tribulus terrestris. Radix Panax Ginseng is sweet, slightly bitter, cool in nature, and belongs to the heart, lung and kidney meridians, with the effect of tonifying qi and nourishing yin, clearing heat and generating fluids. It can be used for symptoms such as deficiency of qi and yin caused by deficiency of qi and yin such as deficiency of heat and fatigue, coughing, asthma, phlegm and blood, internal heat and thirst (internal heat accompanied by symptoms such as eating, drinking and urinating), and dryness of mouth and pharynx. Tribulus terrestris is pungent, bitter, slightly warm, slightly toxic, and belongs to the liver meridian. It has the efficacy of calming the liver and relieving depression, activating blood circulation and dispelling wind, and brightening the eyes and relieving itching. It can be used daily for headache and dizziness, chest and hypochondrium (a collective term for the chest and rib area) distension and pain, breast closure and carbuncle, eye redness and cataract, wind rash and itching. American ginseng is more precious and usually needs to be decocted separately, while tribulus terrestris has a small toxicity and should be used with caution by pregnant women. The use of medication should be under the guidance of a doctor to identify the evidence, it is not recommended to take medication arbitrarily, so as to avoid adverse effects.