Objective To explore the reaction of the cognition, behavior and emotion of the students and teachers in a junior high school after a students dying from epidemic encephalitis abruptly, and to provide evidence for psychological intervention after public health affaires outbreak. 目的了解流脑死亡事件后某初中师生的认知、行为以及情绪反应特点,为制定突发公共卫生事件的心理干预提供依据。