Chronic middle ear clinical manifestations 1. Pus flow from the affected ear (sometimes there is no obvious pus flow but there is itching in the external ear canal). 2.Deafness. 3.Tinnitus. 4. Other symptoms such as vertigo, vomiting, facial paralysis, severe headache, chills and high fever. Necessary tests for chronic otitis media outpatient 1. Otoscopy. 2.Hearing mechanics examination. 3.Temporal bone CT scan. Treatment of chronic otitis media Local medication is the mainstay for those with unobstructed drainage, but attention should be paid to regular rechecking. In cases of poor drainage or suspected complications and cholesteatoma-type otitis media. Modified mastoid radical surgery or mastoid radical surgery should be performed early (tympanoplasty auditory bone reconstruction is feasible for patients with conditions to improve hearing) to completely remove the lesion and prevent complications.