The purpose of this study was to identify the effect of social support and self-efficacy on career decision level among female university students. Data was collected by questionnaires from 380 students at 3 universities in Jeonnam province and Gwangju city, Korea. The results were as follows. First, the average levels of social support, self-efficacy and career decision were over middle point(2.5point). The best of them was self-efficacy. Second, the lowest level of them by grade was commonly freshman female students. But there were no significant differences by major except for soczzzzzial support. Third, the effective sub-variables of social support which have influenced on career decision level were self-esteem support and evaluated support. Forth, the impactive sub-variables of self-efficacy which have influenced on career decision level showed general self-efficacy. Fifth, the significant sub-variables of social support which have influenced on self-efficacy were self-esteem support and material support. This study suggested that the high levels of self esteem social support and general self-efficacy led students to improve in career decision level. Here showed that the effect by grade or group on study was more clear than that by major.