The annual income of the National Collegiate Athletic Association is up to 240 million dollars, and this income does not include the income of each local conference, thus it is obvious that its economic scale is a big one. Because of its powerful market strength, we can say that the market of American College sports is like a big business. Social science that melts lives very much in the economics department systematically can help us to analyze various kinds of economic behaviors. It makes us discover the truth about a matter and offers proper solution. The development of college sports in our country is falling behind the NCAA. There is necessary to learn from this fact. After analyzing the market of the American college sports via the angle of economics, we must note several points, as follow: First, with regard to “the supply”: The NCAA successfully carries out the hierarchical system of each contest, in order to maintaining the quality of the contest and the concept of fair competition. Second, with regard to “the demand”: (1) Experience is the determinant of college fan preference. (2) Expectations play a large role in “lifetime” booster privileges for college sport fans. (3) Population is the heart of the issue of defining large-and small-revenue markets in college sports. Third, with regard to “the income”: It is important to arrange for “TV rights contracts”, “sponsors” and “a profitable income for tickets”.