Objective To find an effective way to improve the level of attention of school-age children. Methods Literature,experiment,questionnaire and deeply-interview were used,and 129 primary school students were chosen from three to six grade of Ganzhou city and divided into two groups-experimental group and control group.The attention subtests based on PASS theory were adopted to assess different effects of different sports on individual's attention level. Results With the attention level in the pretest as covariates,analysis of covariance showed that table tennis,badminton and martial arts training all could improve total attention level of school-age children;Individually,table tennis,badminton and martial arts all could enhance one's abilities to inhibit interference stimulus to choose target stimulus and one's ability to control information processing.while in the ability to distribute attention resources and transfer attention flexiblely,only table tennis and martial arts had positive effects. Condusion Different sports could have different effects on the attention of school-age children.