Positive psychology is constantly evolving, and personal positive areas are increasingly noted, more and more study of Positive Psychology. The study of college students; positive psychological capital study on the relationship between self ‐ efficacy and career decisions. Adoption of positive psychological capital questionnaire, students study of career decision making self ‐ efficacy scale for college students. (1) positive psychological capital of college students and college students; career decision making self ‐ efficacy is notable is related. ( 2 ) positive psychological capital of college students on college students; career decision making self ‐ efficacy to the forecast of the very important role.