Abstract: Assistant with microwave,catapol component of Rhemannia glutinosa Libosch.F.Hueichingensis was extracted by warm water lixiviation.The technology condition on extracting catapol of Rhemannia glutinosa by microwave were studied,the factors affected the extraction ration of catapol were investigated by means of single factor and orthogonal experiments.The results showed that the optimum conditions of extracting catapol by microwave are as follows: methyl alcohol concentration is 50%,the ratio of material to l...