The paper examines the prevalence, nature and characteristics of cyberbullying among adolescents in Hong Kong. The study utilizes survey research approach and collected a sample of 2,314 adolescents from ten secondary schools. A few psychometric measures including feelings toward a harmonious school, self-efficacy, empathy level, and psychosocial wellbeing were found to be associated with adolescents’ cyberbullying experiences. This paper further discusses effective strategies for preventing and tackling cyberbullying, and ways for constructing a health culture for youth’s online behavior.