Ophiopogon, Radix et Rhizoma Ginseng and Fructus Schisandrae Chinensis in water is actually from a very famous formula called “Sheng Wei Drink”, except that the original ginseng used in Sheng Wei Drink has been replaced by Radix et Rhizoma Ginseng. In this formula, Radix Panax Ginseng tonifies qi and nourishes yin at the same time; Ophiopogon is a very good drug for nourishing lung yin and heart yin; Fructus Schisandrae chinensis is acidic, astringent of yang qi, nourishing yin, and mainly astringent of lung qi, which is attributed to the kidneys. So this formula is actually a very good formula for benefiting qi and nourishing yin, and it is not warm and not dry, so patients who are in a situation of yin deficiency with qi deficiency will do very well with this formula.