The purpose of this study is to document the development of modern educational dance focusing upon modern naturalism in education. from two angles. One is the aspect of a form of art education, the other is that of a form of physical education. The result is as following : 1. Jean-Jacque Rousseau who helped to establish philanthropic view of education emphasized the importance of physical education. His thoughts exactlly the naturalistic view of education were made to introduce Greek thoughts into adulation And under the aspect of human nature improvement human movement was made to introduce dance into education. 2. The natural activity philosophy in physical education emphasized the individual. Rejecting formal gymnastic systems, physical educator began designing programs based on self-expressive activities in which students of any skill level could participate. Ballet and aesthetic dance also were seen to be associated with formal gymnastics and meaningless drills. Because of the fact, Isadora Duncan and many dance educators maintained the creative aspects and beg to enlarge on themes of movement. As a result of the movement, the growth of dance in the schools was enhanced and became an important part of the physical education curriculum. 3. Since the modern times, with the naturalistic view of education, gymnastics in schools became to require regimented and precise drills as well as health. But while education was resisting traditional practice and becoming "progressive" in its approach to teaching and learning, physical education was rejecting the formalism of various gymnastic systems. With the natural movement in physical education. dance began to take the place of gymnastics and gymn received the distinctive feature of dancing positively so up to date, gymnastics and dancing in schools are confused and cooperated mutually.