Otolaryngology is a surgical discipline that diagnoses and treats the ears, nose, throat and related head and neck. With the progress and development of science and technology, various medical disciplines have infiltrated and promoted each other, expanding the scope of otolaryngology, and the emergence of otomicrosurgery, otoneurosurgery, lateral skull base surgery, audiology and balance science, nasal endoscopic surgery, rhinoneurosurgery (nasal skull base surgery), head and neck surgery, laryngeal microsurgery, voice and speech diseases, and pediatric otolaryngology has greatly enriched the content of otolaryngology. The treatment of otolaryngology diseases in the Fourth Affiliated Hospital of Zheng Da University is better, and the majority of otolaryngology patients can go and have a look!