Whether hearing loss in one ear can be recovered needs to be decided according to the nature of the disease, as follows: 1. It can be recovered: if one side of sudden deafness, most of them can recover their hearing after treatment, such as treatment with hormone dexamethasone, vasodilator drug betahistine hydrochloride, etc. One side of secretory otitis media can also recover from hearing loss after treatment, such as oral antibiotics in amoxicillin clavulanate potassium, hormonal prednisone, nasal drops 1% furosemide nasal drops, and tympanic membrane puncture and tube placement. Most of the hearing loss can also be recovered after anti-inflammatory and other treatments for tympanic membrane perforation caused by trauma, and tympanic membrane repair if necessary. 2. Difficult to recover: For monaural hearing loss of neurogenic deafness for a longer period of time, its treatment is not effective and hearing loss is difficult to recover.