Analysis of illness: Ganlu Xiaodu Dan has the effects of clearing away heat and toxic materials, promoting diuresis and resolving turbidity. It is mainly used to treat epidemic diseases with damp and warm, with pathogenic factors in qi: fever, lethargy, chest tightness, abdominal distension, thirst, limb pain, sore throat, short and red urine and turbid urine. Suggestion: Therefore, its indication is mainly to treat damp-heat, and damp heat constitution can take it.