Objective: To examine the relationship between obsessive-compulsive personality disorder and childhood traumatic experience. Methods: 5340 subjects were assessed by the obsessive-compulsive subscale of the Personality diag nostic questionnaire-4+(PDQ-4+), and then interviewed by Structured clinical interview for DSM-IV(SCID). Lastly using Childhood traumatic questionnaire-SF(CTQ-SF) to elevate these childhood traumatic experience for 73 OCPD and 81 healthy controls. Results: Compared with healthy controls, OCPD patients had significa...