目的：探讨急性应激对青少年情绪的影响。方法：用抑郁自评量表（ＳＤＳ）对遭受暴雨灾害和龙卷风袭击３个月后１３６４名１３～２０岁的中学生进行了抑郁症状调查。结果：灾害后青少年ＳＤＳ均分为４７１１±９８９，抑郁症状检出率为２５０７％。逐步回归分析揭示影响灾害后青少年抑郁症状的主要因素依次为过去一年内生活事件应激值、心理外控分、消极应对方式、家庭关系差、认为生命比财产更重要、灾期亲属发生精神障碍、有偏食习惯和父亲职业为农民。结论：自然灾害后青少年容易发生抑郁症状，且抑郁症状的发生受多种因素的影响 Objective: To investigate the effect of acute stress on the emotion of adolescents. Methods: A total of 1,364 middle school students aged 13 to 20 years old were investigated for depressive symptoms using the Self-rating Depression Scale (SDS) for three months after being hit by torrential rains and tornadoes. Results: After the disaster, the SDSs of adolescents were 4711 ± 989, and the detection rate of depression was 2507%. Stepwise regression analysis revealed that the main factors affecting the depression symptoms of post-disaster youth were the stress of life events, psychological external control points, negative coping styles and family relationships in the past year. They considered life to be more important than property and mental disorders , Partial eclipse habits and father occupation as a farmer. Conclusions: Adolescents are prone to depressive symptoms after natural disasters, and the occurrence of depressive symptoms is affected by many factors