Objective: this study explores the impact of parental upbringing on campus bullying from theperspective of moral disengagement. Method: Study 1 conducted a questionnaire survey on adolescentsin Jiangsu, Zhejiang, and Shanghai, and Study 2 used interview methods. Result: There are differencesin demographic variables among the parenting styles, moral disengagement, and campus bullying ofadolescents; There is a significant pairwise correlation between parenting styles, moral disengagement,and campus bullying; Moreover, moral disengagement plays a mediating role between parental upbringingand campus bullying behavior. Conclusion: This article enriches the research on campus bullying andprovides a certain theoretical basis for moral education.