During the period, he served as a resident, chief resident and attending physician.
After graduating from Ph.D. in 2004, he entered the post-doctoral mobile station of Otolaryngology Head and Neck Surgery in Tongren Hospital of Capital Medical University, and conducted post-doctoral research under the guidance of Professor Han Demin, engaged in clinical basic research of allergic rhinitis.
In 2006, the postdoctoral fellow stayed in the Department of Nosology after leaving the station.
In 2007, he was promoted to deputy chief physician, and was selected as the "Science and Technology Rising Star" funding program in Beijing.
Since 2007, he has published 17 papers in core journals, of which 2 papers are included in SCI, all in the field of rhinology. His professional interests are endoscopic sinus surgery and nasal allergy.