OBJECTIVE:To study the effects of different penetration enhancer on the transdermal permeation of Complex Scutellaria Baicalensis cataplasm.METHODS:The transdermal permeation test was performed ex vivo on a test unit with normal saline as reception liquid and the content of Baicalin in the delivery liquid was determined by HPLC which determined penetration enhancer of the best match.RESULTS:All the penetration enhancers could enhance the permeation delivery rate of Baicalin,with the mixed penetration enhanc...