Objective To explore the relationship between childhood abuse,big five personality and self-efficacy in medical students so as to provide theoretic basis for medical intervention of mental disorders.Methods 262 medical students from stratified sampling underwent a survey by the Personal Report of Childhood Abuse(PRCA),General selfefficacy scale(GSES) and the Revised NEO Five-Factor Inventory(NEO-FFI-R).A path analysis was conducted by AMOS(Analysis of Moment Structures) version 7.0.Results Childhood abuse h...