AlCi 3 reacts on flavone compound to get the yellow complex of flavone aluminum.Compute the flavone compound content by determining OD with photoelectric colorimeter.After testing repeatedly,the results showed that extracts was maximum with material water ratio 1∶80,time 60 minutes.Furthermore,the eletermintion results reappeared well. Key words:mulberry tea;flavone compound;material water ratio;extracting timeoice of sewer pipe criteria.