ABSTRACT
Knowledge is the precondition of all and it is the foundation of practice. Without the understanding of the things early, everything is hard to move on. For many years, the reform of college physical education teaching has been a process during which the perception is deepening and the thought is constantly improved. (1) The understanding of sports is constantly deepening. The understanding of sports has changed from the original thoughts of simple exercise into the increasing awareness of the theory of sports teaching now. The understanding of sports is becoming more and more perfect, and more and more rich. It is something from nothing. (2) The deepening understanding of the sports teaching purpose. Teaching purpose and the value of physical education
changed from one dimensional biological concept of sports in the multidimensional concept of sports in the aspects of biology, psychology and society.
