Abstract: The review study analyzes personality changes in ex-combatants, examined in the context of complex relationship of trauma and trauma–transforming personality with inconsistent social environment. The personality problem (in the context of PTSD) is examined in the three levels; pretraumatic features, intratraumatic personality disorders, posttraumatic personality disorders. It is emphasized that personality disorder is the indicator of PTSD severity. It is indicated that trauma impact can develop not only PTSD symptoms, but also symptoms related with personality disorders. It is determined that hostility and distrustfulness, the feeling of being exhausted and hopeless, permanent self- transformed feeling, high rate of anxiety and low rate of subjective control become the nucleus of personality transformation. Description of posttrau-matic personality transformation (in combat PTSD) is submitted.Key words: combat stress, posttraumatic stress disorder, pretraumatic features, intratraumatic personality disorders, posttraumatic personality disorders, posttraumatic personality transfor-mation, accentuated personality, personality transformation.