There are many formulas called Lianli Tang in Chinese medicine, all of which have different drug compositions, and the one discussed here is Lianli Tang composed of Lizhong Tang plus Poria and Huanglian. The effects of Lianli Tang are to regulate the center of the body, expel cold, harmonize the stomach, and clear dampness. In clinical practice, it is mainly used to treat symptoms of coldness in the spleen and stomach, such as diarrhea, dysentery, thirst, dampness and heat of the body, acidity, abdominal distension and pain, as well as reddish and astringent urine, which is not easy to pass. Lian Li Tang can also treat diarrhea, which occurs as a result of being exposed to the sun in the summer, and manifests itself as stomach pains and thirst, accompanied by heat from above and coldness from below, and unformed bowel movements and diarrhea.