As the first line of defense public health emergencies,crisis warning management is a key period to discover,identify and solve crises and avoid further harm to people"s lives and property. Based on the current situation of crisis warning management of public health emergencies,summarizes the problems existing in the crisis warning management of public health emergencies in China during the COVID-19 epidemic response period,such as the lack of joint mechanism among departments,imperfect public opinion monitoring system,lack of professional emergency personnel,imperfect monitoring and warning system. By improving the coordination mechanism of government crisis warning management,perfecting the public opinion monitoring system of crisis warning management,strengthening the construction of emergency professionals,and improving the construction of crisis warning management system,optimize and improve the crisis warning management system of public health emergencies,which to provide a scientific basis for the disposal of public health emergencies.