The efficacy of Chai Hu Shuo Liver Powder is to relieve the liver of depression (treating depression by unblocking the liver’s qi), and to move qi to relieve pain (relieving pain by regulating the body’s qi). It is contraindicated for pregnant women and those with Qi deficiency and Yin injury. Chai Hu Shuo Liver Essence is composed of Chen Pi, Chai Hu, Rhizoma Ligustici Chuanxiong, Citrus aurantium, Paeoniae Alba, Licorice, and Fragrant Herb, which is effective in relieving depression of the liver and relieving pain by regulating Qi and relieving pain. The drug is mainly used for treating liver qi stagnation (liver qi not flowing smoothly) syndrome, which is characterized by coercive pain, chest tightness, good sighing, depression, belching (hiccups), and epigastric (abdominal) distension and fullness. The adverse effects of the drug are not clear, but the drug activates blood circulation, so pregnant women should not use it. In addition, it should not be taken by patients with qi deficiency and yin injury. If you need to use this medicine, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician to identify the symptoms.