Fan Lei, male, Ph.D. in hematology, went to Paris to study vascular endothelial cells in 2006, and worked in new york, USA from 20 to 0 in 2009. NYP Hospital affiliated to Cornell University and Memorial Si Long-Kettering Cancer Center are engaged in postdoctoral clinical basic research, focusing on molecular targeted therapy of various malignant hematological diseases. Engaged in clinical work in hematology for more than ten years, familiar with the diagnosis and treatment of various hematological diseases, especially good at standardized and individualized treatment of malignant lymphoma, multiple myeloma, acute and chronic leukemia and various hematopoietic stem cell transplantation. He has published many papers in domestic and foreign journals, presided over and participated in many national and provincial scientific research projects.