The purposes of this study were to analyze the demographic variables, time attitude and the influential factors as well as to observe the model of the sport participation behavior. The subjects were 617 people of Chi-ayi County. Descriptive statistic, difference comparison and categorical multiple regression analysis were the methods to analyze the sport participation behavior. The results were as follow: First, the older the age, the retired, and household chores have longer sport time. The lower personal income, workers and students have shorter sport time. Second, time impression, work status, age, and education were positive factors. Personal income was negative factor. Third, the categorical multiple regression was Sporttime=.31×timeimpression+.22×workstatus+.14×age+.07×education-.19×personal income