Aiming at different understandings by physical education scholars in China on meaning of physical education conception of Ikirutikara mentioned in Essentials of Instruction for Physical Education in School currently implemented in Japan, author analyzed its background of occurrence,origin,concept and meaning on basis of research on Japanese administrative documents and opinions of physical education scholars on this concept, and gave an objective definition to this concept after having concluded that its true meaning should be the ability to survive or live.