Cyber bullying or online harassment is different from traditional bullying because it can happen at any time and be viewed by many people at the same time, making it more psychologically worse. This article discusses what common cyber bullying is and how it is impacting the mental wellbeing of the people, especially young people. It is crucial to understand the psychological effects of cyber bullying in order to formulate effective prevention programs, legislation, and mental health treatment to make the web more secure.