To collect and analyze the research literature in the field of public health emergencies at home and abroad, in order to understand the research situation of public health emergencies in foreign countries, obtain the relevant experience of dealing with public health emergencies, and provide reference and inspiration for the relevant practice and research in China. Methods by using the methods of knowledge map visualization and literature analysis, the knowledge map was formed and visualized analysis was carried out. Conclusion the research content of foreign literature is relatively comprehensive and specific, showing diversified and specific characteristics, while the research content of Chinese literature is relatively simple. From the perspective of research focus, foreign research focuses on the construction of legal system, institutional system, material security system and education and training related to public health emergencies. Domestic research mainly focuses on strengthening the government's leading position in response to public health emergencies and the prediction and early warning mechanism, but the research content in the prediction and early warning of public health emergencies is not comprehensive.

Yuhui Sun. Analysis of Knowledge Mapping Hotspots on Public Health Emergencies. The Frontiers of Society, Science and Technology (2021) Vol. 3, Issue 3: 35-40. https://doi.org/10.25236/FSST.2021.030305.

[1] Liu Junxiu, Zhang Hui, Hu Guoqing, Huang Jianshi. Progress in the evaluation of health institutions' ability to respond to public health emergencies [J].Chinese Journal of Preventive Medicine, 2008, 9(7).

[2] Li Wei. Research on the impact of public health surveillance on the prevention and control of infectious diseases [J]. Rural health in China, 2016,(04).

[3] Huo Fei, Xu Na, Liu Changna, Wang Fengshan. Application of microblog and other new media information monitoring in the prevention and control of major infectious diseases[J]. Occupation and health, 2014, 30(03).

[4] Zou Ling, Ren Jianping. The emergency mechanism of foreign public health emergencies and its enlightenment[J]. Journal of Hangzhou Normal University (Medical Edition), 2006,(05).