Ophiopogon, Radix et Rhizoma Shengdi and Radix et Rhizoma Ginseng together is actually a formula of Chinese medicine called Zengyi Tang. The so-called “Zengyi Tang” is to increase the body’s yin and yin fluids, so these three medicines actually replenish the body’s yin and yin fluids, which is what we call yin tonic medicines. Maitong tonifies lung yin and heart yin, Radix et Rhizoma Shengdi tonifies kidney yin, and Xuan Shen also tonifies the yin of the heart and kidney. They are put together to replenish the body’s fluids and can treat all kinds of dryness, especially for dry stools, constipation caused by yin deficiency is very effective, so it has the effect of laxative and laxative, and at the same time, for dry mouth, dry nose, and other symptoms of yin deficiency can be relieved.