The Department of Otolaryngology Head and Neck Surgery,PLA General Hospital (national key academic unit) The PLA Institute of Otolaryngology (PLA key laboratory for acoustic trauma) The PLA Medical College Department of Deafness Education Key Laboratory

Led by four generations of leadership from late Prof.JIANG Sichang(academician,Chinese Academy of Engineering),Prof.YANG Weiyan(Honorary President,Division of Otolaryngology Head and Neck Surgery,Chinese Medical Association),Prof.HAN Dongyi(President Elected,Division of Otolaryngology Head and Neck Surgery,Chinese Medical Association)to now Prof.YANG Shiming(President,Division of Otolaryngologists,

Department of Otolaryngology Head and Neck Surgery of Chinese PLA General Hospital (National Key Discipline)

Institute of Otolaryngology of Chinese PLA ( Key Laboratory for the Prevention of Acoustic Trauma,PLA)Key Laboratory of Hearing Impairment Science(Chinese PLA Medical School)Ministry of Education Led by four generations of leadership from late Prof. JIANG Sichang (academician, Chinese Academy of Engineering), Prof.YANG Weiyan (Honorary President, Division of Otolaryngology