Dr. Cai is a professor of the Department of Otorhinolaryngology, Qilu Hospital of Shandong University, specializing in functional endoscopic sinus surgery. From 2014 to 2015, she studied in the Royal Prince Alfred Hospital, University of Sydney, which was fully funded by the Country China Scholarship Council. During this period, she got the licence of the Registered Polysomnographic Technologist(RPSGT). Currently, her clinical practice focuses on patients afflicted with chronic sinusitis, nasal polyp, nasal septum deviation and various kinds of benign and malignant tumors of nasal cavity and paranasal sinuses.