The feeling of ear blockage can be seen in cerumen embolism of the external auditory canal, secretory otitis media, and low-frequency sudden deafness. 1. Cerumen impaction of the external auditory canal: Cerumen is commonly known as earwax, and cerumen impaction mainly manifests as stuffy, blocked and distended ears. In bathing, swimming and other reasons can lead to water in the ear, causing cerumen impaction, making the symptoms worse. 2. Secretory otitis media: Colds, enlarged turbinate, rhinitis, sinusitis and other factors can lead to dysfunction of the Eustachian tube and secretory otitis media, resulting in stuffy ears, a sense of fullness, which may be accompanied by earache, tinnitus and other symptoms. 3. Low-frequency sudden deafness: most of the performance for one side of the ear stuffy, blocked, similar to the sense of blocking cotton, conscious hearing loss is not obvious. Can also be accompanied by low-frequency tinnitus, such as engine roar, if the symptoms need to pay attention. It is recommended that patients seek timely medical examination of the disease, clear diagnosis and active treatment to avoid aggravation of the disease.