Tee-ball is a popular game in Taiwan elementary schools. In order to hit the ball on the tee accurately, the batter should care about the their visional signals in game. Eye tracking research can help them to do that. In this study, it will focus not only on the students of the third to sixth grade in elementary schools, during they play Tee-ball, the relationship between the departure of gaze zone and batting success rate, but also the differences of gaze zone between the baseball team players and normal students. By using an iView X HED4 eye tracker, we collected eye gaze signals, and analyzed the film frame by frame. The Pearson's product-moment Correlation is used to analyze the relationship between the departure of eye gaze and the batting success rate. Using Independent-Sample t-Test compare the differences on the departure of gaze point between baseball team players and normal students in addition.