Chai Hu Shuo Liver Powder has the efficacy of dispersing the liver and relieving depression (treating depression by dispersing the liver’s qi), promoting qi movement and relieving pain, and is mainly used for treating the symptoms of liver qi stagnation (the lack of liver qi flow). Chai Hu Shun Liver Essence is composed of Chai Hu, Chen Pi, Xiang Fu, Citrus Aurantium, Citrus Aurantium, White Peony and Roasted Glycyrrhiza. Among them, Chai Hu has the efficacy of regulating liver qi; Xiang Fu has the efficacy of regulating liver qi (regulating stagnation of liver qi) and relieving pain; Chuan Xiong has the efficacy of regulating liver qi and activating blood circulation; Chen Pi and Hovenia Citriodora have the efficacy of regulating qi and resolving stagnation. Chai Hu Shun Liver Powder is mainly used for the treatment of chest and ribs distension and pain caused by liver qi stagnation, depression, chest tightness and good breath, epigastric and abdominal distension and pain, etc. It is recommended to take professional treatment for the treatment of liver qi stagnation. Chai Hu Shuan Liver San should be used correctly under the guidance of a professional physician, and pregnant women should use this drug with caution.