The purpose of this study was to compare the effects of career class counseling program operated by　 voluntary participation of students and career counseling classes which are operated as essential liberal arts courses in college and to present concrete plans for career guidance of college students do. The purpose of this study was to examine the effects of career identity and self - efficacy on the career self - efficacy of 60 students 82 people. The results of the analysis of the difference between the two groups are as follows. First, the career identity of the students who participated in the career group counseling program was more improved than the students who participated in the career course classes in the university. Second, the career decision self - efficacy of the students who participated in the career group counseling program was improved more than the students who participated in the course classes in university. Third, the problem solving factor among the sub-factors of career decision self-efficacy can not be improved by class or counseling because it is not effective in both class and counseling group. As a result, it is necessary for the college to operate career course courses as an essential subject, and it is necessary to operate a separate career group counseling program in various ways. Separate programs, work experience, intensification to improve confidence in problem solving And should be included in career guidance.