fa عمومى General مروری Review Background:This study aimed to present a causal model of the relationship between psychological capital and harmful academic behaviors for the mediating role of emotional regulation and academic self-regulation.<br> Method: The research method was the correlational model of structural equations. The statistical population of this study consisted of all eighth-grade students in Yazd in the academic year 2010-2011, of which 300 were selected by multi-stage cluster sampling. The research instruments included the Academic Harmful Behaviors Questionnaire, the Academic Self-Regulation Questionnaire &nbsp;the Emotional Regulation Problems Questionnaire, and the Psychological Capital Questionnaire. Data analysis was performed by the structural equation modeling method by PLS software.&nbsp;<br> Results:The results showed that the structure of psychological capital through the mediation of emotion regulation and academic self-regulation can predict the harmful behaviors of students.<br> Conclusion: Therefore, it can be concluded that psychological capital could increase or decrease Academic destructive behavior by increasing or decreasing them in academic emotion regulation and self-regulation.<br> &nbsp; Emotion Regulation, Academic Self-Regulation, Academic destructive behavior, Psychological Capital 112 120 http://intjmi.com/browse.php?a_code=A-10-1-453&slc_lang=fa&sid=1 Mahdieh Majdzadeh Shooraki 10031947532846005342 10031947532846005342 No Elahe Daryapour 10031947532846005343 10031947532846005343 No PHD Of Educational Psychology, Instructor Of Imam Javad Institute Of Higher Education. Yazd Alireza Sharifi Ardani 10031947532846005344 10031947532846005344 Yes Phd Student In Educational Psychology, Shiraz University.