The purpose of this study is to examine about the practical effect of the MEB program by analyzing movement of the musical expression of 3-year-old children and 4-year-oldchildren in the three nursery schools in different childcare forms. Therefore, the comparison between daily life childcare of each nursery school in a year and the practical process of the MEB program in another one year as a result of quantitative analysis by the 3D motion capture. As a result of analysis with the MTw system, it was clarified that the body movement with the recognition of musical elements of nursery schoolers activated in the process of the change of the moving average of acceleration. In the practical process of the MEB program, it was found that the moving average of acceleration in the third phase increased in those nursery schools. Concerning the U nursery schoolers in the childcare form mainly based on play, it was considered that the change of the moving average of acceleration was able to examine an educational effect at the point where the statistical significant difference was observed.