Cultivating university students subjective well-being and improving their academic achievements are the strategic connotation of higher education reform in China.The structural equation modeling(SEM)is used to empirically test the influence of college students psychological capital on academic achievements and the mediating effect of subjective well-being on 339 self-filled questionnaires.The results show that university students psychological capital has a significant positive impact on academic achievements,and the subjective well-being plays a partial mediating role in their relationship.Th...