As a common phenomenon globally, campus bullying incidents bring different degrees of negative effects on the victims, especially the physical and psychological traumas of various levels. The bullying occurs on campus can be divided into five different roles: the bully, the victim, the bystander, the indifferent bystander (the outsider), and the active bystander (the protection of the bullied). This paper focuses on the analysis of the bystanders, whose behavior can directly affect campus

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... ng. When bystanders are on the side of the victim, bullying is relatively weak. On the contrary, if they are only indifferent outsiders, the intensity of bullying will be significantly increased. Therefore, the intervention of bystanders plays a decisive role in campus bullying. In this context, this paper tries to explore how to maximize the positive impacts of bystanders in school bullying. Based on the study of bystander behavior in foreign campus bullying incidents, this review introduces the factors influencing school bullying events, the classification of bystanders, and bystanders' role in eliminating school bullying incidents. Meanwhile, the factors influencing bystanders' behaviors are analyzed and positively intervened, to maximize the positive influence of bystanders in school bullying incidents in the urban suburb. 2020 3rd International Conference on e-Education, e-Business and Information Management (EEIM 2020) Published by CSP © 2020 the Authors