Korean ginseng: neutral in nature, sweet and slightly bitter in taste. Returns to the spleen, lung, and heart meridians. It can greatly replenish vitality, rejuvenate the pulse and strengthen the prolapse, nourish the spleen and lungs, promote the production of body fluids, and soothe the mind. It is used for those who are physically weak and want to take off, cold limbs and weak pulse, spleen deficiency and little food, lung deficiency and asthma and cough, body fluid injury and quenching thirst, chronic illness and weakness, palpitation and insomnia, impotence and cold uterus, heart failure, and cardiogenic shock. American ginseng: cool in nature, sweet and slightly bitter in taste. Guixin, lung, kidney meridian. Reinforcing qi and nourishing yin, clearing away heat and promoting fluid production. It is used for patients with qi deficiency and yin deficiency, internal heat, cough, wheezing, phlegm and blood, deficiency of heat, irritability, thirst, dry mouth and throat. American ginseng is cool in nature and is a tonic, while Korean ginseng is warm in nature and is a warming tonic. American ginseng is suitable for people with Yin deficiency and internal heat, while Korean ginseng is suitable for people with insufficient Yang energy. American ginseng is suitable for summer and Korean ginseng is suitable for winter.