The purpose of this study was to investigate the effects of perceived parents-adolescent communication style on adoescent’s self-efficacy. The subjexts of this study were 625 students selected at random from first and second grade of high school in Daegu. A questionnaire was used as survey method. Factor analysis, MANOVA and cluster analysis for data analysis and Scheffe test for post-hoc analysis were employed. The man findings were as follows: Firs, there were significant differences in the degree of adolescent’s self-efficacy according to perceive father-adolescent communication style. In case that adolescents perceived their father’s communication style as reasonable, the degree of self-control, self-confidence and attribution were higher than those of other cases such as non-interferential or impulsive communication style. The adolescents who perceived the father’s communication style as reasonable showed higher preference of difficult task than those who perceived it as non-interferential style. The adolescents who perceived father’s communication style as reasonable and non-interferential showed higher attribution than those who perceived it as impulsive style. Second, there were significant differences in the degree of adolescent’s self-efficacy according to perceived mother-adolescent communication style. In case that adolescents perceived their mother’s communication style as reasonable, the degree of self-control was higher than that of other cases such as non-interferential and impulsive communication style. The adolescents who perceived their mother’s communication style as reasonable showed higher self-confidence than those who perceived as impulsive style.