On November 12th, the “Frontiers in Organ Transplantation 2021 Joint Symposium” was successfully held in Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine. The conference was co-chaired by Prof. XU Xiao from the Zhejiang University School of Medicine, and Prof. Kourosh Saeb-Parsy from the University of Cambridge School of Clinical Medicine.