On September 4^th 2019, during the 2019 annual meeting of the World Dental Federation (FDI), Peking University School of stomatology successfully held the "North America Alumni Reception" in San Francisco, USA. This is the first overseas alumni meeting after the founding ceremony of the Alumni Association in Canada in June. Promising to meet again in Shanghai and Washington in 2020, all participants shared and exchanged ideas with joy, and in the meantime took a group photo to mark the occasion.