ABSTRACT
Qingzao jiu fei tang ，which is derived fr om Yuchang ’s Medical Laws in the Qing dynasty ，composes of Folium Mori，Gypsum Fibrosum ，Glycyrrhiza uralensis ，Panax ginseng ，Sesamum indicum ，Equus asinus ，Ophiopogon japonicus ， Prunus armeniaca and the leaves of Eriobotrya japonica . It is a representative formula for the treatment of severe syndrome of warm-dryness and deficiency of both Qi and Yin. In 2018，it was included in the Catalogue of Ancient Famous Classical Formulas （the First Batch ）. In order to clarify its development context and clarify its functions and indications ，this paper collects the ancient and modern literature of Qingzao jiufei tang to systematically study the source and composition of it ，its origin and processing ， dosage，functions and indications and modern clinical application with a method of bibliometrics. Results show that some medical books differ in origin ，processing and dosage of the formula. This formula takes moistening dryness ，encouraging production of body fluids ，nourishing Yin ，tonifying Qi as the main efficacy. “Qi depression ，flaccidity，dyspnea and vomiting ”is the main indication. It is widely applied in the clinic ，involving respiratory diseases ，skin diseases ，digestive diseases ，etc.