Under the context of globalization, the political function of sport has already exceeded the traditional pattern, which the sport would directly affect the politics and international relation, and has been greatly different in its effects, acting modal and approach; the influence of the sport has already gone beyond its domain. Sport has heavily exerted its influences on the politics and international relation through the enlargement of sports phenomenon, the economic capability functioned by the sport industry after reaching economic scale, one of the cultural functions in ”soft power” and the close relationship between it and the environment, making the sport a new modal and feature to influence the politics and international relation. This study adopts content and document analysis to probe into how Chinese sports utilize soft power as a way to demonstrate its national power. We conclude that: firstly, the countries with strong sports nowadays have utilized the benefit of soft power to gain their reputations and status in international stage; secondly, under the influence and exercise of soft power, China will greatly raise its reputation among international competitions in the face of '08 Olympic Games, playing a decisive role in the world.