At present, the development of distance education is being vigorously promoted all over the world, and the lifelong, globalised and highly efficient nature of education is driving its rapid development in the world. Because there are different ways to achieve this, so, according to the characteristics of physical education discipline, this article on how to promote multimedia network teaching platform in university physical education teaching, using multimedia network teaching platform, to achieve the complementarity of modern teaching and traditional teaching. The article analyses the theory and development background of multimedia network teaching, and analyses its application in university physical education teaching, and gives a detailed introduction to the use and planning of each module. On this basis, it discusses the design principles of the multimedia network teaching platform for physical education majors, and gives an overall framework and model of functional modules. This study has good implications for university physical education teaching practices.