The commercialization of sport undoubtedly facilitates that the sport conforms the social demand and trend. In order to advanced discussion for the trend of the modern sport development, this article has to make effectively understand the involving definition, the distinguishing characteristics and appearance of the traits of the sport commercialization to construct a foundation for the exploring commercialization of sport. The commercialization of sport could be defined as a process in which a sport organization transformed the intentions of the system, the matter, the culture, and the actions of the body to the behavior and result of the commercial activities obtained financial profits through the perspective of sport sociology.