This research was conducted to the sixth grade students of SDI Al Azhar 13 Rawamangun which aims to analyze bullying, find the factors that cause bullying, explain the role of the Muslim Personal Development Curriculum (KPPM) in preventing bullying and its impact on students and evaluate the supporting and barriers to the Muslim Personal Development Curriculum (KPPM) in preventing bullying. The results showed that bullying occurred at SDI Al Azhar 13 Rawamangun in the form of verbal bullying, mental/psychological bullying and cyber bullying. The causes of bullying behavior came from internal and external factors. The role of the KPPM curriculum consists of a conservative role, a critical/evaluative role, and a creative role. Supporting factors for the implementation of KPPM are good cooperation from school stakeholders, professional human resources, training, regular monitoring and evaluation, good socialization to parents, good support from parents and good facilities.