The ear feels like it is blocked by the following diseases: The first one, blockage of cerumen in the ear canal. The blockage of cerumen in the ear canal causes patients to lose their hearing and experience a feeling of stuffy plugged ears. The second type, patients with secretory otitis media, negative pressure in the tympanic chamber, or even the formation of fluid in the middle ear tympanic chamber, may also experience a sense of ear congestion and hearing loss. The third type is neurological, such as patients with sudden neurological deafness or Meniere’s syndrome, which leads to inadequate blood supply to the inner ear, fluid accumulation in the vagus of the inner ear, poor microcirculation in the inner ear, vascular spasm in the inner ear, thrombosis in the inner ear, and other factors, resulting in neurological hearing loss and a sense of stuffiness in the ear. In general, if patients have a stuffy feeling in the ear, it is recommended that they go to the ENT department to check the performance of the ear canal and tympanic membrane, do pure tone hearing threshold and acoustic conductance examination, and if necessary, do CT examination of the middle ear for a comprehensive judgment.