Merge. According to the relevant information of Ruijin Hospital's postdoctoral fellows, it was found that in 2022, Ruijin Hospital's postdoctoral fellows and regular training will be integrated, which will be more conducive to the development of postdoctoral fellows. Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine was established in 1907 and is a tertiary first-class hospital. On November 10, 2019, the Fudan version of the "2018 Chinese Hospital Rankings" was released, and Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine ranked 4th.