The purpose of this study is to analyze the effects of individual characteristics of college students on the basic skills of the profession. The results of this study are as follows. First, the effect of personal characteristics of college students on self - development ability was significantly influenced by outward personality (.423) at p <.001 level. Second, introspective personality (p <.05, β = .268) and outward personality (p <.001, β = 5.862) had a significant effect on the information ability and R² = .389 showed an explanatory power of 38.9% . Third, personal characteristics did not have a statistically significant effect on interpersonal abilities. Fourth, personal characteristics are related to self - development ability and outward personality (.144), self - development ability and information ability (.201), self - development ability and introvert personality (.120) There is a correlation. The purpose of this study was to investigate the effects of job characteristics on the basic competence of the upper and lower group through the diagnosis of the basic competence of individual characteristics and to verify the effectiveness of the study.