It is more complicated to listen to the sound haziness of blocked ears, there are about three cases, as follows: 1, most of the external ear canal is blocked by cerumen or inflammation formed after ear extraction in the external ear canal, most of them can be relieved by going to the hospital to clean the external ear canal, local ear drops such as oxyfloxacin ear drops, the symptoms of ear stuffiness and ear congestion can be relieved after the inflammation subsides; 2, secretory otitis media, non-purulent inflammation of the middle ear mainly due to conductive deafness and fluid in the tympanic chamber. Most of them are related to cold or inflammation in the nasal cavity, which manifests as ear stuffiness, tinnitus, conscious hearing loss, and even fear of noise in some people. In the early stage, you can use topical nasal spray or ephedrine alternate nose drops and take cold medicine after oral anti-inflammatory drugs, and the basic symptoms can be relieved. 3. Deafness caused by inner ear lesions, in most cases accompanied by different degrees of tinnitus, must be seen in the hospital.