This paper, based on the self-conducted questionnaire, does a survey of the factors that influence the students' intention of buying sports lottery and then makes a comparative study of them. These students include 123 sports-majors and 628 non-sports majors from 10 provinces or cities. Results indicate that the scores of economic utility for sports majors are significantly higher than non-sports ones, that the scores of risk preference of male lottery buyers are significantly higher than those of female ones and that the families' buying spo...