The purpose of this study is to reveal the effect of difference of storybooks on shared storybook reading, through actual shared storybook readings. 4 types of storybook were read for children with down syndrome at a small group activity and each times were analyzed using eyes analysis. As a result, it developed that the patterns of shared storybook reading were totally different depending on the presence of a structure of repeatedly. Especially, for storybook with story characteristics, it was indicated that connections between daily life experience and representation of storybook may be necessary. Finally, we discuss that how reader can understand the "ups and downs" of shared storybook reading