The director of Department of Endocrinology, West China Hospital, Sichuan University, Professor, doctoral supervisor. In 1980, he graduated from the medical department of Sichuan Medical College (Huaxi Medical University). In the same year, he was assigned to work in the internal medicine department of the people's Hospital of Aba Tibetan Autonomous Prefecture, Sichuan province. In 1983, he was admitted to the Department of medicine of Huaxi Medical University to study for a master's degree in Endocrinology (Professor Liang Jinzhong) and a master's degree in medicine in 1986. He served as the First Affiliated Hospital of Huaxi Medical University (now West China Hospital of Sichuan University), a resident physician in the Department of internal medicine, the chief physician (Lecturer), an associate professor (Master's tutor), a professor (chief physician).