[Objective]The purpose of the study was to fill up the blank in the tea drink market.[Method]With dry tea flowers as raw materials,the optimum extraction condition of tea flower extract and the optimum formula of ice tea flower drink were confirmed through extraction experiment and orthogonal test with 3 factors and 3 levels.[Result]When the solid-liquid ratio was 1∶60,the tea polyphenol content in the tea flower extract was highest.The tea flower extract from the extraction at low temperature showed transp...