Abstract: The socialist system with Chinese characteristics has demonstrated its great advantages.Turning the advantages of the system into governance effectiveness is a major task and the core in realizing the modernization of national governance with Chinese characteristics.Against thebackdrop of crises,the advantages of system of socialist with Chinese characteristics are fully reflected in the nationwide practices of people-centeredness,party committee leadership,government responsibility,social coordination,and public participation.Based on the support and guarantee of democracy,the rule of law,and technology and so on with the top-level decision-making,cohesive execution and multi-level guaranteed supervision mechanism,the institutional advantages have been effectively transformed and integrated into governance effectiveness.In the prevention and control of the Covid-19 pandemic,the top-level decision-making mechanism means the consensus on prevention goals,overall deployment,and resource adjustment;the cohesive execution mechanism means responsive work systems,systematic prevention measures,practical enforcement,innovative technical support,and vast social participation;multi-level guaranteed supervision mechanism means application of normative laws and regulations,binding accountability mechanisms,and extensive social supervision.Exploring the mechanism which transforms institutional advantages into governance effectiveness against public health emergencies can provide an analysis framework for advancing the modernization of national governance against crises.

Key words: institutional advantage, governance effectiveness, crisis situation, national governance, modernization