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The Role and Value of Short Video in Emergent Public Events—Take the Public Health Emergency Response in China Caused by the Coronavirus Disease 2019 as a Typical Case

During the Spring Festival in 2020, the outbreak of novel coronavirus caused a public health emergency in China, which formed a major event for the society and had a far-reaching impact. As one of the new media on the Internet, short video has attracted a lot of people's attention on this event, which makes it an effective means of publicity in response to this public health emergency. The government has played an important role in the prevention and treatment of epidemic diseases by making short videos available to the public, and in issuing policy guidelines, carrying out popular science publicity, and maintaining social order. The article aim to summarize various characteristics of short video in emergency period, analyze the role of short video in public emergency, explore the application of short video in public emergency in the future and conduct sufficient research in the field of short video, to enhance the level of short video production and play a bigger role in promoting national prosperity, and social stability, as well as improving the quality of national life.