Topic : Cyber Bullying In this century, technological has growing. Now, many of young children already have accounts on social media. Examples: Facebook, twitter, instagram. line, BBM, skype, etc. they used it for they communication with their friends. a lot of them was misuse for social media .Sometime they used it for bullying their friends. Just for their pleasure or just to let out there anger, envy, for someone. Bully in social Media is called Cyber Bullying, can also be called Cyber-harassment or Cyberstalking. cyber bullying is not only in among student (junior highschool, senior highschool). Its can also be in university life, or even in adult life. But, most of them was among the students life. That’s because someone that still young can’t control their emotions. So if they want to. They will do it and never thinking about the effect. In 2010-2011 School Crime Supplement (National Center for Education Statistics and Bureau of Justice Statistics) indicates that 9% of students in grades 6–12 experienced cyberbullying. The 2013 Youth Risk Behavior Surveillance Survey finds that 15% of high school students (grades 9-12) were electronically bullied in the past year. Research on cyberbullying is growing. However, because kids’ technology use changes rapidly, it is difficult to design surveys that accurately capture trends. Cyber bullying is a virus, why is called virus? Because Cyber bullying is more virulent, than usual bully and