Tong Qi San, as recorded in the book of “Correcting Errors in the Medical Forest”, has the effect of dredging the liver and regulating qi (regulating stagnation of liver qi), and can be used to treat symptoms such as pain in the ribs and abdomen and emotional abnormalities due to liver qi stagnation (poor transportation of qi and blood in the liver and depression of emotions and feelings), and it can have a better therapeutic effect. Tong Qi San belongs to a kind of Chinese herbal formula, in which Chai Hu can dredge the liver and regulate qi; Xiang Fu can also dredge the liver and relieve depression (treating depression by dredging the qi of the liver), regulate qi and regulate the middle; Chuan Xiong can move qi and at the same time activate blood circulation and relieve pain (relieving pain by removing blood stasis). The combination of these herbs can help to dredge the liver and regulate qi. When certain symptoms occur in the body due to liver qi stagnation, such as pain in the coarseness and ribs, depression, tinnitus and deafness, breast pain, etc., the medicine can be used for treatment. However, the adverse reactions and contraindications of Tong Qi San are not clear, so it is recommended to use the medicine after consulting a doctor.