The feeling of blockage in the ear may be caused by cerumen impaction in the external ear canal, secretory otitis media, or sudden deafness, and once detected, it is necessary to consult a doctor in time for treatment. 1. Cerumen impaction is usually caused by excessive secretion of cerumen or obstruction of cerumen discharge, and its clinical symptoms can be manifested as stuffy feeling in the ear, stuffy feeling in the ear, and hearing loss, etc. If the cerumen is compressed to the middle ear, it can also cause dizziness, and in severe cases, it can be accompanied by paroxysmal nystagmus. 2. Secretory otitis media: usually due to upper respiratory tract infection, rhinitis and sinusitis, causing dysfunction of the Eustachian tube, resulting in negative pressure in the middle ear, the clinical symptoms can be manifested as pain in the ear, hearing loss, tinnitus, etc., and the same will also appear in the ear stuffy feeling. 3. Sudden deafness: Sudden onset of sensorineural deafness of unknown cause, especially low-frequency deafness, ear plugging and stuffiness symptoms are more obvious. There may be other reasons for the symptoms of blocked ears, so it is recommended to go to the hospital for diagnosis and treatment.