Abstract Introduction: Bam earthquake has been one of the most catastrophic natural disasters as WHO advised to preparation against PTSD. This study was performed in first days after earthquake in Tehran hospitals and central post-hospital care center of Baqiyatallah University.Methods: In an access sampling 100 survivors of disaster were interviewed for psychological complications.Results: 20 persons had only sadness, 22 had PTSD, 33 had depression, 11 had anxiety, 9 had depression and PTSD, and 5 had depression and anxiety. 16% disclose use of opium.Conclusion: This study shows high frequency of psychological disorders in first days after earthquake. Loss of first degree had significant correlation with psychological disorders (p 0.039).