This formula mediates the Shao-Yang channel, expels pathogenic factors from the exterior to reduce fever, regulates the function of the Stomach to lower the adverse flow of Qi. It is used to treat febrile diseases for a person with syndromes of the Shao-Yang channel which runs between the exterior and interior of the body, while the pathogenic factors are neither superficial nor deeply-entrenched. If it is difficult to pinpoint the specific meridians or organ functions causing a particular problem, or if the patient has taken many Western medications, this herbal formula can help clarify the underlying condition.