Objective  To explore the prevalence and influencing factors of cyberbullying among high school students.

  Methods  An onsite and online survey was conducted among 970 high school students selected with probability proportionate to size sampling (PPS) in Dandong and Chaoyang municipality, Liaoning province in September, 2020. The Questionnaire on Health Behavior of Chinese Adolescent developed by University of Chinese Academy of Social Sciences was used in the study.

  Results  Valid responses were collected from all the participants and the reported prevalence rate of cyberbullying victimization and perpetration were 6.3% and 5.6%, respectively. The results of logistic regression analysis showed that for cyberbullying perpetration, male gender was a risk factor (odds ratio OR = 2.199, 95% confidence interval 95% CI: 1.212 – 3.992) but self-perceived good parent-child relationship was a protective factor (OR = 0.660, 95% CI: 0.484 – 0.898); while, self-perceived close parent-child relationship (OR = 0.640, 95% CI: 0.477 – 0.857) and self-perceived good maternal understanding of him/her self (OR = 0.906, 95% CI: 0.829 – 0.991) were significant protective factor for cyberbullying victimization.

  Conclusion  Good parent-child relationship may be a protective factor against cyberbullying among high school students.