At the beginning of 2020, COVID-19 epidemic was spreading in China, affecting a wide range of regions and populations. Such major public health events gradually evolve into traumatic events and form traumatic memories through the reproduction and reconstruction of media information, and the reception and response of the audience. In order to cope with the trauma response in major emergencies, we have tried to present the trauma memory in a vivid and effective way and adopt diversified ways to repair and soothe the trauma on the basis of fully understanding the trauma response of different social groups during the epidemic. This is of great significance to individual self-repair, social psychological assistance and improvement of response system for major emergencies.