Taking 1943 college students who participated in public sports as the research object, the revised physical education learning status questionnaire of college students was adopted, including three scales of learning interest, self-efficacy and learning investment. The results showed that: In public physical education of college students learning interest, self-efficacy and learning in a positive psychological level, expenditure on gender in the study interest, self-efficacy and learning into significant differences on love or single on interest in learning and self-efficacy exist significant differences, grade in learning interest and learning into significant differences, There are significant differences in professional subjects’ learning interest and self-efficacy, and there are significant positive correlations among students’ learning interest, self-efficacy and learning engagement in public physical education.