Sports not only is very popular in the public, but also show the physical quality and spirit of a country or a nation. The national traditional sports of China is the basis of the birth of modern competitive sports, also is an important part of sports culture. With the development of the sports and the internationalization of media, the national traditional sports of China are faced with both some opportunities and many serious challenges. How to make full use of modern media technology to promote the popularization, modernization and internationalization of the development of national sports has become a common topic which is concerned by the fields of media and sports. This paper studies the influence of modern media technology on the national traditional sports. And it illustrates the definition, content, categories, and development of Chinese traditional sports culture. Then, it makes a survey in the people who have different ages with the survey method to investigate the use, the circumstances and the concern degree of modern media technology. The survey shows that in the group who use the modern media technology to concern the national sport, young people and middle-aged occupy a large proportion. Finally, the paper analyzes the positive and negative influence of modern media technology on the development of national sport, and discusses how to make full use of modern media technology to promote Chinese national sports’ popularity, modernization and internationalization path.