Moxibustion products include optothermal， moxa smoke and ashes， optothermal and moxa smoke belong to the material basis of moxibustion efficacy， ashes are the residual substances after moxibustion. Because of the different experimental conditions and test facility and the sample standards， existing research often occur to differential results. Therefore， by collect the documentary records and research data， and analysis the composition and application research status to provide a basis for the delve deeper about moxibustion mechanism and the further research of mugwort leaf.