This research aimed to know the level of Post Traumatic Stress Disorder among a sample of the displacded adolescentes, and to know the arrangement of the dimensions PTSD among the sample. Furthermore, the study attempted to explore whether displacded adolescentes differ according to their gender and the habitation place. The sample of this study comprised of (50) displacded adolescentes: (19 male and 31 female) and (50) adocescents. In order to achieve the goals of this study the Davidson's scale of PTSD was used. The results showed that: there is average level of (PTSD) among the displaced adolesentes, and the arrangement of the dimension (PTSD) was: (avoidance, re-experience, hyper arousal). The results also showed there is no differences statistically fonction (0.05 "≥α) between the males and females and the habitation place in the degree of PTSD.