This study suggests the polarity as the special quality of creative person. Polarity is defined as simultaneously operating different thinking processes or coming and going to opposites of thinking processes or emotion. It means cognitive flexibility or emotional flexibility. The theories about the polarity are ‘complexity’ of Csikszentmihalyi, ‘yanusian thinking’ of Rothenberg, ‘adaptive regression in the ego’ of Kris, ‘the third process of thinking’ of Arieti, ‘recursive thinking’ of Basadur. To prove the polarity, researcher surveyed documentary records and interviewed 10 Korean creative person. Especially 5 creative persons of 10 answered yes in the item of polarity. Key words : polarity, cognitive flexibility, emotional flexibility