Visualization Mapping Analysis of Emergency Management Scientific Research Big Data during COVID-19

Objective: To better understand the research status of emergency management during the outbreak of COVID-19 in China, and further improve the level of China's emergency management. Method: In this paper, the big data of emergency management research during COVID-19 was visualized and analyzed, and the visual knowledge map was drawn to study the big data of China's emergency management literature. Conclusion: This paper reveals the current situation and characteristics of China's emergency management during COVID-19 by using the visual knowledge map, summarizes the research trend in the future, and points out the new ways to improve China's emergency management ability in the period after the COVID-19.