People with Yin deficiency can eat American ginseng in moderation. Yin deficiency is characterized by heat in the hands and feet, dry mouth and throat, heartburn and insomnia, dizziness and tinnitus. American ginseng is cool in nature, sweet and slightly bitter in flavor. It belongs to lung, heart, kidney and spleen meridians. It has the effect of tonifying qi and nourishing yin, clearing away heat and generating fluids, so it is effective for people with yin deficiency to eat it in moderation. Radix Panax Ginseng can be used to treat qi and yin deficiency, which manifests as fatigue, shortness of breath, dry stools, etc. It can be used with maitake dong, schizandra, etc. It can also be used with Radix et Rhizoma Glycyrrhizae Praeparatae and Radix et Rhizoma Glycyrrhizae Praeparatae to treat palpitation (accelerated heartbeat, often accompanied by panic), heart pain, insomnia and dreaming caused by qi and yin deficiency (deficiency of qi and yin fluids). When using American ginseng, it should be noted that this product should not be used in combination with quinoa and wulingzhi. For patients with Yin deficiency, it is recommended to go to regular hospitals and use the medicine under the guidance of professional physicians.