Zhang is a deputy chief physician who is currently a youth member of the Human Leukocyte Antigen (HLA) Professional Committee of the Chinese Society of Blood Transfusion.

Medical diagnosis and treatment field and expertise: Zhang focuses on clinical blood transfusion work and is skilled at difficult blood type identification, difficult blood transfusion and compatibility testing, irregular antibody identification, treatment of hemolytic disease in newborns, treatment of anemia, handling of ineffective platelet transfusions and adverse reactions of blood transfusions, and more.

Published works and other projects: He has presided over one joint medical research project of the Chongqing Science and Technology Commission and the Chongqing Health Commission, one general project of the Chongqing Health Commission, and one project of the Yuzhong District Science and Technology Commission. He has published four papers collected by the Chinese Science Citation Database (CSCD) and four additional domestic papers.