Globalization has been going on for a long process, although controversial, never stopping the pace of development. Since the outbreak of COVID-19 which profoundly changed human society and human life, globalization has been facing unprecedented resistance and challenges. Returning to various debates on globalization ethics, analyzing various problems that occur in the process of globalization development, this article starts from relational ethics, aiming to demonstrate the rationality of the sustainable development of globalization in the post-pandemic era. It will argue that although globalization will have new forms and contents under the new situation, the overall trend will not be reversed. It stresses the significance and urgency to explore the discourse construction of the human community with a shared future and the relational ethics of globalization in the post-pandemic era from the perspectives of history, reality, and methodology.