Objective: The present study was to investigate the relationship and inner mechanism among drug abstain-ers' childhood trauma, empathy and antisocial personality disorder symptoms. Methods: A sample of 574 drug abstainerswere assessed with Childhood Trauma Questionnaire(CTQ),Empathy Quotient(EQ) and Antisocial subscale of PersonalityDiagnostic Questionnaire-4+(PDQ-4+). Results:(1)Childhood trauma was significantly and positively correlated with anti-social personality disorder symptom scores. Empathy was ne...