(School of Physical Education,South China Normal University,Guangzhou 510006,China) Abstract: Based on the game theory, the author compared and studied various sports theories, and drew the follow-ing conclusions: 1)sport is provided with such two attributes as non daily and daily; sport with such two attributes represents two different value orientations; the “non daily” attribute refers to the nature of indirect production and entertainment, while the “daily” attribute refers to sports competition originating from daily life and sports utilitari-anism it resulted in; 2)sport is a non daily physical activity of competition; 3)the mutual gaming and containing of the two value orientations have gone though the entire history of sport; subsistence under the tension of “duality” constitutes the basic status of subsistence of sport. Key words: sport sociology;non daily sport;daily sport;game |