In order to explore the relationship between mindfulness, attention and self-control amongprimary school students, a questionnaire survey was conducted on 1686 primary schools in a city inSichuan Province using the Five Factor Mindfulness Scale, Attention Self Rating Questionnaire and SelfControl Scale. The results showed that: Mindfulness was significantly positively correlated with attention,Mindfulness was significantly positively correlated with self-control, and Attention was significantlypositively correlated with self-control; Mindfulness level has a positive predictive effect on attention;Self control plays a mediating role between mindfulness and attention. The research findings reveal thedirect mechanism of mindfulness on attention, as well as the indirect mechanism of attention through themediating effect of self-control.