Abstract: Objective To explore the mental health status and personality character of adolescent students in Sichuan earthquake disaster area.Methods Symptom check list 90 and Eysenck personality questionnaire(children edition)were used to assess the mental health status and personality of 137 students in disastar area twenty days after the earthquake.Results The incidence of mental problems of the students in disaster area was 31.3%.The rate of obsession-compulsion was 35.8%,interpersonal sensitivity was 30.7%,anxiety was 24.1%,depression was 22.6%,hostility was 20%,and,phobia was 15.3%.Except somatization,paranoid idention,hostility and additional items,the scores of other items of schoolgirl were higher than that of the schoolboy.The scores of anxiety,phobia,psychoticism and global severity index of the students were higher than that of the control group.The result of personality test showed that students with mental problems had the character of introversion and instable emotion.Conclusion The level of mental health of students in disaster area is lower than the control group.We must pay attention to the mental health of adolescent especially introversion students with instable emotion,and mental intervention should be carried out as soon as possible.