This study analyzed the effects of interpersonal skills of college students on basic competence. The results of this study were as follows: 81 male students (34.6%) and female students (65.4%) were surveyed. First, as a result of analyzing the differences in improvement of basic competence according to interpersonal skills, leadership ability was found to be a relationship between heterosexuality (p <.001, β = .378), individual fellowship (p < (P <.01, β = .313), and negotiation ability had a significant effect on individual friendship (p <.05, β = .267). Second, the correlation between interpersonal abilities and leadership abilities showed that interpersonal abilities correlated with leadership abilities due to individual friendship - leadership abilities, leadership abilities - heterosexuality, interpersonal relationship - leadership abilities. Third, the differences in the basic occupational ability according to gender were male students (M = 3.90), female students (M = 3.58), male students (M = 3.59) Male students (M = 4.16) and female students (M = 3.79) were higher than male students. The purpose of this study was to investigate the effects of interpersonal skills of college students on the improvement of basic competence and to verify the effectiveness of personal interpersonal skills .