In the beginning, we generally discuss the classification, various physical andchemical characters of flavones in this paper. And the research which focused onextraction, purification, separation and analysis process of flavones are introduced andcompared.In the aspect of extraction, we compare the total extracting yields among threedifferent solutions (water, ethanol solution and the n-butyl alcohol/water two-phasesolvent system) for extraction by change the extracting conditions. The experimentalresults s...