Abstract: The aim of this study was prediction of social anxiety by cognitive emotion regulation and emotional schema. The Statistical population was students of Kharazmi university. The sample includes 130 student were selected by multistage clustering method. Social Phobia Questionnaire (SPIN) and Cognitive Emotion Regulation-P-Short(CERQ-P-Short), and Leahy emotional schema scale (LESS) were completed by participants. For data analysis, describtive statistic mean, standard deviation, Inferential statistic regression analysis, Pearsonʼs correlation coefficient and stepwise regression were used. Results didn’t show significant difference in social anxiety and its subscales in male and female students. Furthermore two component of cognitive emotion regulation, catastrophizing and reconcentration on planning significantly predict the total social anxiety score. Howover. emotional schema of uncontrollability could significantly predict the social anxiety. Finally, implications of study were discussed.