Currently, he serves as the Vice Chairman of the Hematology Group of the 18th Chinese Medical Association Pediatrics Branch, Vice Chairman of the Expert Committee on Pediatric Hematology and Malignant Tumors and the Leukemia Group of the National Health Commission, Secretary of the First Committee of the Hematology/Oncology Specialty Alliance of the National Children's Medical Center of China, Deputy Director of the Department of Oncology at Capital Medical University, and Standing Director of the Hematology Specialist Branch of the Beijing Medical Association. He received advanced training at St. Giddens Children's Research Hospital in the United States in the diagnosis, treatment, standardized management of childhood leukemia, and research on minimal residual disease (MRD). He has long been engaged in clinical research on pediatric hematologic malignancies and has extensive clinical experience in the diagnosis and treatment of pediatric hematologic diseases and tumors, especially newly diagnosed acute leukemia and refractory/relapsed leukemia in children. He led the work on flow cytometry detection of MRD. He has received one third prize of Beijing Science and Technology Progress Award, one third prize of Beijing Medical Award, and was named a Sixth Beijing Outstanding Physician.