Problem/rationale: Traditional principle of medical ethics hinders epidemiological investigation, tracing, and isolation. Theory: An Ethical framework with ethical devotions and ethical reasoning orientations Research questions: what ethical principle should be used to guide global public crisis such as the COVID-19 Pandemic? Methods: Conceptual analysis Results: The ethical stance of global teleology should be promoted to guide the handing of pandemics like COVID-19 Discussion: The approach of ethical analysis can be used for other crises with a global scope.