Abstract: Teachers are the backbone of school bullying prevention and intervention.Helping teachers to construct appropriate roles in it is the key to the effective implementation of school bullying prevention.On the basis of combing the relevant policies and the advanced experience of intervention projects at home and abroad,according to the main points of Turner's process-role theory,this paper puts forward the roles that teachers should play in the prevention and control of school bullying,such as caregiver,learner,participant manager,intervenor and interactor.At the same time,it analyzes the obstacle factors that affect the construction of teachers' roles in the prevention and intervention of school bullying in China,including social factors such as the conflict between policy expectations and realistic expectations,the confusion and generalization of the “school bullying” concept,and the poor maneuverability of governance objectives and plans.Besides,there are individual factors such as teachers' insufficient cognition and weak motivation.On this basis,from the two levels of society and individual teachers,this paper puts forward the targeted strategies for the construction of teachers' roles in the prevention and intervention of school bullying,including clarifying the concept of school bullying,constructing an effective governance mechanism,refining the responsibilities of each participant,helping teachers form correct cognition and enhance their motivation and capability.

Key words: teacher education, school bullying, process-role theory, teachers' roles