Objective To explore the status of health risk behaviors and its relationships with child-hood trauma and cognitive emotion regulation in rural orphans. Methods Totally 56 orphans and 56 non-or-phans in rural middle school were surveyed with the adolescent health related risky behavior inventory (AHRBI),the childhood trauma questionnaire (CTQ) and the cognitive emotion regulation questionnaire-Chinese version ( CERQ-C) . Results ( 1) Orphans performed significant higher scores in aggression&vi-olence,rule & law breaking,suicide & self-injury,sm...