Abstract: In the recent years Twitter has emerged to be a great source for users to broadcast their daily activities, opinions and feelings via texts and images. Cyberbullying is a harassment that takes prominently happens in social networking sites where cyber bullies target vulnerable victims and it has major psychological and physical effects on the victims. Hence, the Cyberbullying Monitoring System on Twitter is a solution with an aim to identify bullying tweets real time. In our research we have developed a cyberbullying monitoring system.