The purpose of this study was to examine the mediating effect of shame in the relationship between parental psychological control and social anxiety perceived by middle school students. The data was collected from 820 middle school students in Seoul and Kyonggi province area. The participants were asked to answer psychological control scale-youth self-report(PCS-YSR), social anxiety scale for adolescents(K-SAS-A), and personal feeling questionnaire(PFQ-2). The findings of the study were, firstly, father’s and mother’s psychological control were perceived higher by boys than girls, whereas girls perceive higher level of shame and social anxiety than boys. Secondly, father’s psychological control, mother’s psychological control, shame and social anxiety were all proved to be positively associated. Thirdly, shame partially mediated the relation of father’s and mother’s psychological control and social anxiety. Fourthly, verification of shame as a mediating effect between father’s and mother’s psychological control and social anxiety by sex proved that shame partially mediated father’s psychological control for both boys and girls, however, the shame fully mediated mother’s psychological control for both sex. Implications, limitations, and suggestions for future study were discussed.