RESUMEN
<p><b>OBJECTIVE</b>To investigate and analyze the traumatic conditions of Longnan area of Gansu in Wenchuan earthquake, and to explore the measures coping with unexpected disasters.</p><p><b>METHODS</b>A sample survey including questionnaire survey, interviews and other methods was adopted to investigate the conditions of affected population of Longnan area in earthquake, especially on the traumatic conditions, the injured causes, treatment methods.</p><p><b>RESULTS</b>In the sample survey of a total of 1652 earthquake casualties, the dead were 16 and the patients with extremities fractures were 750 (45.4%). Organized and timely rescue of the wounded could reduce the complications and the mortality .</p><p><b>CONCLUSION</b>Strengthening the prevention and treatment of earthquake trauma can effectively decrease the death rate and disabled rate.</p>