Zheng Zhi'ang is the Secretary of the 26th Party Branch at Sanya Central Hospital. He is a Standing Committee Member of the Outpatient Management Professional Committee of the Hainan Medical Association and the Blood Transfusion Professional Committee of the Hainan Medical Association. Additionally, he is an associate professor at Hainan Medical University.

Zheng Zhi'ang specializes in outpatient management, blood transfusion management, and the application and interpretation of clinical laboratory tests. He has authored 12 papers and led or participated in the completion of 6 research projects.