The correct name of Da Chaihu Tang Pill should be Da Chaihu Tang. The formula consists of Chaihu, Scutellariae, Paeoniae Alba, Pinelliae, Ginger, Citrus Aurantium, Jujubae, and Rhubarb, which has the effect of reconciling the Shao-Yang (treating exogenous heat illnesses in which the evil is between the half-expression and half-river) and internally diarrheal the heat stagnation. Da Chai Hu Tang is a Chinese herbal formula. It is composed of Chai Hu, Scutellaria baicalensis, Paeoniae lactiflora, Pinellia ternata, Ginger, Citrus aurantium, Jujubae, Rhubarb, and has the efficacy of reconciling Shao-Yang, internal diarrhea of heat knot and can be used in Shao-Yang-Yang-Ming syndrome with symptoms such as exchanges of chills and heat, vomiting, depression and slight annoyance, and unresolved bowel movements. The adverse reactions and contraindications of the drug are not clear, but avoid smoking, alcohol, spicy and stimulating food during the period of consumption. Before using Da Chai Hu Tang, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician to identify the symptoms.