The progress of computer science will have a great impact on traditional physical education. Facing increasing computer influence, what science competence should physical education teachers develop to ehnance the professional ability of teaching and learning ﹖ In this text, we will discuss the influence computer science brings to physical education from four major aspects (1) database to promote teaching and learning administration (2) multimedia education of physical education (3)telecommunication and the teaching and learning of physical education (4) using virtual reality and computer games to promote entertainment in the teaching and learning of physical education.