Cyber bullying is a threat to the persons who are very socially active in various social media platforms. So, in this paper we deal with what is cyber bullying and types of it. We also discuss about the cyber bullying taking place at various places like school, college, university etc.Even we conducted a small survey and unstructured interviews with the teachers, professionalisms about the cyber bullying. So in the results we discuss about the survey and interview results after properly analyzing it. We also give some of the way that how to stop cyber bullying and its limitations to fight with it easily