OBJECTIVE:To distinguish three easily confused traditional Chinese medicines(flos pueraria,flos lablab and flos Sophorae)to avoid confusion.METHODS:Combined with herbalogical study,the identification of3traditional Chinese Medicines were carried out from aspects of origin,description,powder under microscope,physical and chemical properties.RE_ SULTS:The identification results showed that significant differences were existed among the3traditional Chinese medicines.CONCLUSION:Although the three confused traditional Chinese medicines have similar shapes,they can be discriminated sucˉcessfully if the key points of identification were mastered.