School-age children are chosen to be the research objects and this study sets out a question”Do school-age children 's sitting postures affect their attentions ”.On the basis of the theory of embodied cognition and the psychological attention level test scales,this study develops an attention level test system to collect the students' data.Through the statistical analysis of the data,the study shows that there is a significant correlation between the level of attention and the sitting posture of school-age children.