Suddenly, the right ear seems to be blocked, which may be related to cerumen impaction, secretory otitis media, sudden deafness and other causes. 1. Cerumen impaction: Cerumen glands located in the external auditory canal can gradually form clumps and block the external auditory canal due to high secretion or impeded drainage, causing stuffy feeling in the ear and hearing loss. 2. Secretory otitis media: mainly characterized by tympanic effusion and conductive deafness, mostly caused by upper respiratory tract infections, with symptoms such as ear stuffiness, tinnitus, ear pain and hearing loss, etc. The stuffy feeling in the ear can be temporarily relieved by repeatedly pressing the ear screen. 3. Sudden deafness: it may be related to vascular diseases, tumors, infections, poisoning and other reasons, about half of the people have ear stuffiness and swelling, as well as sudden hearing loss, tinnitus and other clinical manifestations. The ears feel blocked or have hearing loss need to consult a doctor in time to check, clear causes, targeted treatment.