To compare and analyze the framework and characteristics of health emergency management system in different countries, so as to provide reference for the governance direction of global health emergency management system.

Focusing on the current situation of the health emergency management system in various countries, the aim was to objectively analyze the shortcomings and deficiencies of the health emergency management system in various countries through research and comparison, and to extract suggestions for the direction of global health emergency management system governance.

Countries were similar in health authorities and their functions, disease control agencies and their functions, and public health emergency agencies and their functions. The United States showed a ows ar in health authorities and their functionsand a high degree of decentralization in horizontal management functions"; the United Kingdom adopted a opts ted Kingdom authorities and their functionsand a high degree of deemphasized diversified coordination under localized management.

Different countries have different characteristics of health emergency management systems, focusing on the governance direction of health emergency management systems, countries at different levels, such as the central and local vertical management, horizontal management of parallel departments at the same level, which should strengthen the linkage, effectiveness and operability of health emergency management, strengthen the legal support, improve the management system, and smooth operation mechanism.