Areas of expertise: 1. Otologic microsurgery for diseases of the outer, middle and inner ear; 2. Hearing loss and cochlear implantation; 3. Minimally invasive surgical intervention for complex vertigo and facial paralysis; 4. Minimally invasive endoscopic procedures of the ear, nose and throat; 5. Minimally invasive surgery for snoring and obstructive sleep apnea-hypopnea syndrome (OSAHS). Procedures: (1) Has independently performed more than 4,000 otologic microsurgical procedures for otitis media with tympanic membrane perforation (tympanoplasty, ossicular reconstruction with prostheses, external auditory canal reconstruction, etc.), middle ear cholesteatoma (one-stage radical mastoidectomy with hearing reconstruction), hearing loss and cochlear implantation, facial paralysis (facial nerve decompression, nerve grafting and anastomosis, etc.) and complex vertigo (endolymphatic sac decompression, semicircular canal occlusion, etc.); (2) More than 3,000 minimally invasive endoscopic nasal procedures, including functional endoscopic sinus surgery for rhinitis and sinusitis, treatment of epistaxis, adenoidectomy and resection of nasopharyngeal lesions; (3) More than 2,500 minimally invasive laryngoscopic procedures, including removal of vocal cord polyps or nodules under electronic laryngoscopy, removal of hypophar