In order to explore the influence mechanism of College Students’sense of belonging on self - regulated learning,767 students were investigated by self - regulated learning scale,achievement goal scale,professional belonging questionnaire and peer be- longing questionnaire. The results showed that professional belonging was positively correlated with self - regulated learning,and could positively predict the mastery and performance goal orientation,negatively Predict of mastery avoidance goal and performance avoidance goal orientation; peer attribution can significantly predict the achievement approach goal and performance avoidance goal orientation; mastery approach,mastery avoidance and performance approach goal orientation play a mediate role in professional attribution and self - regulated learning,and peer belong plays a moderating role between professional belong and mastery approach goal orientation.