7/1995-Present     Engaging in clinical pharmacy, clinical pharmacology and pharmacy administration,   Department of Pharmacy, The First Affiliated Hospital, Medical College, Xi’an Jiaotong University.

1/2000-6/2004       Deputy director of Pharmacy, The First Affiliated Hospital, Xi’an Jiaotong University.

6/2004-2/2015       Director of Pharmacy, The First Affiliated Hospital, Xi’an Jiaotong University.

4/2015-12/2023     Minister of Science and Technology,

                              The First Affiliated Hospital, Xi’an Jiaotong University.

1/2024-Present      Director of the Collaborative Innovation Center of

                              Traditional Chinese and Western Medicine, 

                              The First Affiliated Hospital, Xi’an Jiaotong University.