Objectives: This study was to examine the effect of perceived emotional support of pepole with interpersonal trauma experiences on the posttraumatic growth with considering psychological acceptance as a mediating variable. Methods: The sample of 351 adults who have experienced interpersonal trauma. Frequency analysis, correlation analysis and reliability analysis of collected data were conducted. Structural equation model was used for hypothesis verification. Results: As a result of verifying the mediating effect of psychological acceptance in the process of predicting posttraumatic growth from emotional support, emotional support increased the psychological acceptance and the individual path for statistically predicting posttraumatic growth was significant. Conclusion: It is meaningful to help people with interpersonal trauma experiences get perception regarding correlation among perceived emotional support, psychological acceptance and posttraumatic growth. Furthermore, it is significant to provide psychological counseling or necessary information for preventive intervention to mental health related organization's staffs and to improve individuals' quality of life and well-being.