[Objective] This paper aimed to determine the optimum process condition of extraction and purifiction of total flavonoid and baicalin in Scutellaria baicalensis.[Method] Taking the extraction rate of total flavonoid and baicalin in Scutellaria baicalensis as evaluation index,single factor and orthogonal test were used for optimal selection.[Result] The oprimum process was as follows: 10 times volume of water was added into coarse powder of Scutellaria baicalensis.The mixture was decocted for 2 times with 1....