Chai Hu Daxing Liver San and Dan Jia Yi Yao San both enter the liver meridian and treat diseases of the liver meridian. Among them, Chai Hu Daxing Liver San has the effect of draining the liver and Qi, moving Qi and relieving pain, and is mainly used to treat diseases such as stagnation of liver Qi, which is applicable to pain in the dorsal ribs, chest congestion, hot and cold exchanges, belching, and fullness in the abdomen, and can also be used to treat diseases such as chronic hepatitis, chronic gastritis, and breast enlargement. Modern pharmacological research has found that Chai Hu Xie Huan San also has the effects of anti-inflammation, improving immunity and resisting liver injury. Dan Gardenia prolixa has the effect of soothing the liver and strengthening the spleen, nourishing blood and clearing heat, mainly used for treating the disease of liver stagnation and fire, this formula uses prolixa to dredge the liver and regulate the qi, with danpi and gardenia to clear the liver fire, applicable to the disease of swelling and pain in the dorsal ribs, irritability, dry mouth and eyes, menstrual disorders, etc., liver stasis and blood deficiency with heat, and dredging and drainage disorder, modern pharmacological research has confirmed that this formula also has the effect of protecting liver cells.