The function of Da Chaihu Tang is to clear away heat and disperse knots, reconcile the Shaoyang (treating exogenous heat illnesses in which the evil is between half-expression and half-limit), while the function of Si Miao San is to clear away heat and diuresis, dredge the channels and open the collaterals. 1. Da Chai Hu Tang: mainly composed of Chai Hu, Scutellaria baicalensis, Rhubarb, Citrus aurantium, Pinelliae, Paeoniae alba, and Jujubae. It is effective in clearing away heat and dispersing lumps, reconciling Shaoyang, and treating symptoms such as heat and cold (the body is hot and cold at the same time), distention and fullness in the abdomen and ribs, heartburn, vomiting, constipation, etc. It is not recommended for people who are allergic to the ingredients of this medicine. People who are allergic to the ingredients of this medicine are forbidden to use it, and patients with Yin deficiency and heat, or those with internal movement of liver wind are advised to use this medicine with caution. 2. Si Miao San: mainly composed of Atractylodes macrocephala, Cyperus rotundus, hyssop, Coix lacryma and other medicines. It has the effect of clearing heat and inducing dampness, relaxing the meridians and collaterals, and is mainly used for treating diseases such as dampness and heat in the lower Jiao, female subluxation, swelling of the lower limbs, and pain in the joints. People who are allergic to the ingredients of this medicine are forbidden to use it, and patients with cold stomach and yin deficiency should be cautious of using this medicine. The medication should be taken under the guidance of a professional Chinese medicine practitioner, and should not be taken on its own, so as not to delay the condition.