Jia Zhen, attending doctor, Doctor Medicinae, Graduated from The Second Military Medical University. Youth member of Professional Committee on Cancer Anesthesia and Analgesia, China Anti-Cancer Association, Member of Anesthesia Committee of Hainan Medical Association. He has engaged in clinical anesthesia for 20 years, and was good at perioperative management of critical, acute and severe patients, and perioperative pain treatment. In recent years, he has won one second prize for provincial scientific and technological progress and two national invention patents. Over the years, he has published one SCI paper and more than ten core journal papers.