Recently research on cyberbullying has been extensive, but mostly in Western societies. Cyberbullying is a new and unique form of bullying behaviour, which is affected by several protective and risk factors as well as is associated with behavioural, psychological and health outcomes. This introduction provides a background of cyberbullying in the Asia-Pacific context, summarises seven studies included in this special issue, and suggests a direction for cyberbullying prevention and the youngs well-being.