The common symptoms of ENT mainly include three aspects. First, the ears mainly have clinical manifestations such as hearing loss, tinnitus, stuffy and blocked feeling in the ears, vertigo, running water with pus in the ear canal, itchy ears, etc. Generally, in this case, we can basically distinguish and judge roughly by doing ear canal examination and tympanic membrane examination. Secondly, the main symptoms of throat include dry throat, sore throat, foreign body feeling in throat, burning sensation in throat, dry cough, hoarseness in speech, labored breathing, labored swallowing and other manifestations, which can basically be judged by doing electronic laryngoscopy as a general clinical recommendation. Thirdly, nose, mainly includes clinical manifestations such as nasal non-ventilation, runny nose, sneezing, itchy nose, dry nose, nose bleeding, etc. It is also accompanied by clinical discomfort such as rhinogenic headache and cheek pain.