In order to further improve the business level of the hematology industry and promote the comprehensive, coordinated, and sustainable development of the hematology profession, after research, it is proposed to hold multiple sessions of the "Hematology Branch Series Seminar" online from October to December 2024. This conference is hosted by Chengdu High tech Medical Association and organized by the Hematology Branch of Chengdu High tech Medical Association. Renowned experts in the field of hematology in the province are invited to give special academic presentations and discuss and exchange relevant classic cases and cutting-edge technologies. The seminar on treatment options for DLBCL under multiple tracks of the Hematology Branch was successfully held online on October 23rd. The attending representatives expressed that they had benefited greatly and subsequently participated in a series of seminars organized by the Hematology Branch.