During September 7-10, 2020, the Project IGCP653 "The Initiation Process of Ordovician Biological Radiation Event" was hosted by the University of Copenhagen and held on the Zoom platform. This online conference included a 4-day academic report, attended by more than 200 experts and scholars from 28 countries. More than 10 participants including Prof. ZHANG Yuandong from NIGPAS registered and participated in the conference.