Blocking the external auditory canal
If cerumen gradually condensed into a group, blocking the external auditory canal, said cerumen embolism, commonly known as: iron ear feces. External auditory canal stenosis, scar, tumor, foreign body retention can prevent ear feces discharge. Due to external auditory canal inflammation, eczema, more dust in the air work, digging ears and so on to local stimulation, causing excessive secretion of ear feces.