Si Reverse San has the efficacy of dispelling evil spirits and relieving depression, while Angelica Paeoniae Radix has the efficacy of nourishing blood and regulating the liver. 1. Si Hei San is a traditional Chinese medicine formula, which has the efficacy of dispersing depression, dredging the liver and regulating the spleen. It can be used for treating Yang depression and syncope (cold extremities due to poor circulation of Yang qi), which can be seen as chills of the extremities, abdominal pain, and diarrhea; it can also be used for treating Liver and Spleen qi depressions, which can be seen as distension and tightness of the ribs, and pain in the epigastric (abdominal) area. The adverse effects and contraindications of Si-Rei San are not clear at present. 2. Angelica and Paeonia lactiflora powder is a Chinese medicine formula with the effects of nourishing blood, regulating liver, strengthening spleen and inducing dampness. It can be used for treating abdominal pain, palpitation (rapid heartbeat, often accompanied by panic), swelling of the lower limbs, and dysuria due to liver deficiency and spleen deficiency during pregnancy or menstruation. Adverse effects and contraindications of Angelica Paeoniae Radix are not known at this time. Before taking these two medicines, it is necessary to be guided by a Chinese doctor for identification of symptoms, and not to take the medicine by oneself to avoid adverse consequences to the body.