1. Ear examination 2. The main contents: acute otitis media, otitis media stadium suppurationis, crescent-shaped cirrhosis spot 1. Ear examination2. The main contents: acute otitis media, otitis media stadium suppurationis, crescent-shaped cirrhosis spot of tympanic sclerosis, stage of congestion of early phase of acute otitis media, traumatic perforation of tympanic membrane, flaccid part ...