With university students experiencing more difficulty deciding what to do after graduation, and job-turnover rates increasing among young people, it is increasingly necessary to assist graduates smoothly transition into the workforce. It is likely that helping students to equip themselves with fundamental competencies would enable them to make better decisions about their careers and also lead to smoother post-graduation transitions. This study examines the relationships among the "big five" personality traits, career decision-making self-efficacy, and fundamental competencies for working persons in the hope that the knowledge gained will lead to improvement in the career education of female university students. A questionnaire survey was given to 169 female college students and the 158 valid answers were analyzed. The results indicate that people with greater mastery of fundamental competencies for working persons had higher career decision-making self-efficacy, enabling smoother transitions into the workforce. The researchers believe that, in addition to the experience gained through academic and extracurricular activities, it is necessary for universities to take a leading role in introducing active learning programs and to provide career support through programs such as career support centers and student advising offices