Suicide is a major social and public health problem which facing the world.In present study,we tested the chain mediating roles of self-esteem and emotional coping style between cyber-victimization and suicidal ideation among adolescents.819 questionnaires were issued and 802 valid questionnaires were finally collected.The research tools were'Cyber-victimization Scale','Self-esteem Scale','Coping Style Scale'and'Positive and Negative Suicide Ideation'.The results indicated that:Cyber-victimization affects suicidal ideation through three indirec...