Xiao Chaihu Tang has the efficacy of conciliating Shaoyang (treating exogenous fever with the evil between the half-expression and half-li); it is used to treat typhoid fever and Shaoyang (one of the six meridians of the theory of typhoid fever with the disease between the surface and the li), heat entering the blood chamber, malaria, and other illnesses. Xiao Chaihu Tang is a traditional Chinese medicine formula composed of Chaihu, Semixia, Scutellariae, Ginger, etc. It is from “The Treatise on Typhoid Fever”, which has the effect of reconciling the Shaoyang; it is used for the treatment of typhoid fever and Shaoyang, with the symptoms of fever and chills alternating with cold, fullness in the abdomen, lack of desire for food and drink, heartburn, bitterness in the mouth, and dizziness; fever entering the blood compartment, women’s typhoid fever, jaundice, malaria, etc. It is also used for the treatment of the symptoms of malaria and jaundice. Adverse reactions and contraindications to Xiao Chai Hu Tang are not yet clear. Care should be taken when using the product, it is forbidden for those who are allergic to the product, and allergy should be used with caution. If you need to use the drug, you should be guided by a physician in the identification of the use of drugs, not to buy their own use of drugs, so as to avoid the delay of the drug is not the right evidence.