The purpose of this study was to investigate the effect of assessment media on young children\'s story comprehension and how story comprehension as the assessment media is changed. First, the assessment media affected on young children\'s story comprehension. The group listening the electronic book was more effective for increasing young children\'s story comprehension than the picture book. There was statistically a significant difference in the retelling between the group listening the electronic book and the picture book. But there was not a significant difference in the listening comprehension. Second, the changing trend of the story comprehension as assessment media appeared gradually increasing linear trend. Two groups appeared each increasing linear trend.