The Ear, Nose, Throat, Head and Neck Surgery Department of Taikang Xianlin Gulou Hospital currently has 5 senior professional experts, 6 attending physicians, 1 resident physician, 4 technicians, and 2 outpatient nurses. There are 8 consultation rooms and 12 specialized treatment rooms in the outpatient department, with an annual outpatient volume of about 50000 people. A sleep diagnosis and treatment center and a dizziness diagnosis and treatment center have been established. The department has advanced medical diagnosis and treatment equipment, such as Olympus high-definition electronic nasopharyngoscope, STORZ TP100 electronic endoscope system, Schlieffen plasma surgical system ATOM I VIEW 31 surgical microscope, Leifkaier endoscopic camera system, Ertingmei diagnostic audiometer and acoustic impedance meter, Ruisuo Neuro Audio otoacoustic emission and evoked potential amplifier, Ruisuo benign paroxysmal positional vertigo diagnostic instrument, Danish Ertingmei type1085 nystagmus scanner, GMinstruments NR6/A1 nasal resistance/acoustic emission instrument, Ruisuo Neuro Audio olfactory diagnostic wand, ATMOS Ling WAVES noise analysis software, Wanman somno check micro polysomnography analysis system, and Philips polysomnography analysis system, etc.