How much do you know about otitis media? Otitis media is a type of disease with the main symptoms of ear pain, pus flowing from the ear canal, stuffy feeling in the ear, hearing loss, and tinnitus. They are divided into: acute otitis media, secretory otitis media, and chronic mastoiditis of the middle ear. The main causes of otitis media are upper respiratory tract infection or mechanical obstruction of the eustachian tube, such as rhinosinusitis, tonsillitis, adenoid hypertrophy, and tonsillar hypertrophy. Treatment for otitis media: 1) control infection, keep the eustachian tube open (eustachian tube blowing), treat nasal-sinusitis, etc.; 2) clear middle ear fluid, improve middle ear ventilation and drainage (tympanotomy or tube placement), release mechanical obstruction (removal of adenoids, tonsils, etc.); 3) surgery, tympanic chamber exploration, mastoid radical surgery or hearing reconstruction, etc.