Objective To study the correlation of different processing methods (cleansing,bran-stir-fried,rice-stir-fried, baking manufacture,alkali manufacture) of Mylabris and the constituents cantharidin and lay the foundation for different effects of processed products. Methods HPLC method was used for the determination of the content. Results The contents of cantharidin in different processed products of Mylabris were different. The content of cantharidin was as follows: baking manufacture > cleansing > rice-stir-fried > bran-stir-fried > alkali manufacture; sodium cantharidin : cleansing > alkali ma...