There is no clear indication as to how much Chaihu Shuanhe San should be taken as a course of treatment. However, clinically it is generally recommended to take the medicine for 1 week as a course of treatment, and the specifics need to follow the doctor’s instructions. Chai Hu Shuo Liver San is a traditional Chinese medicine prescription in “Medical Unification”. It has the efficacy of dredging the liver and regulating qi (regulating stagnation of liver qi), activating blood circulation and relieving pain (relieving pain by removing blood stasis). The composition of the drug includes 7 herbs including Chen Pi, Chai Hu and Licorice. Clinically, it is mainly used for the treatment of pain and discomfort in the abdomen and ribs, chest tightness, sighing, depression, easy to get angry, belching (hiccup), and distension and discomfort in the epigastrium (abdomen) caused by the evidence of stagnation of liver qi. Allergic to Chai Hu Shuo Liver San drug composition is prohibited. Allergic persons should be cautious. Generally, it is clinically recommended that people suffering from the above conditions take the medicine for 1 week as a course of treatment, and it is not recommended to take it for a long period of time, and the specific use of the medicine should be strictly in accordance with the doctor’s instructions.