Ganlu Xiaodu Dan is a representative and common clearing-damp prescription. Its main function is dehumidification and detoxification. Professor SHU Lan argues that the dampnss-heat cause widespread diseases. The dampness-heat invading upper-jiao causes thirst and sore throat; dampness-heat conflicting in middl e-jiao causes the suppression in the chest and stom-achache; dampness-heat diffused downward, then leading the short red, diarrhea, cloudy urine. Although the clinical manifestation of diseases treated with Ganlu Xiaodu Dan is diverse, the basic pathogenesis is dampness and heat. This pa...