In this article, 1137 literature papers about crisis management in public health emergency are searched based on SCI, SSCI and CSSCI indexes through CNKI and Web of Science databases. This article uses CiteSpace software to visualize the distribution of research hotspots by means of high co-occurrence keywords, burst words, high co-citation literature, major researchers, etc. It also explores the evolution track and development frontier of knowledge clustering such as social media and crisis communication. Results show that effective disposal of public health emergencies needs to enhance the value of big data information system, pay equal attention to data chain and service chain of multi-party communication and cooperation. At the same time, adjustment for compatible management strategy is necessary and scientific guidance of crisis information of internet social media are also needed.

public health emergencies  /  COVID-19  /  crisis management