The characteristics of chronic purulent cholesteatomatous otitis media are as follows: 1. Pus in the ear is a complication caused by chronic otitis media, accompanied by a foul odor, similar to that of rotten eggs, and a strange smell; 2. Examination may reveal the presence of clusters of grayish-white epithelial tissue in the external ear canal; 3. Hearing loss may exist in the affected ear to varying degrees; 4. Patients may also exhibit symptoms such as dizziness, headache, and nausea; 6. If the semicircular canal is damaged, patients with chronic purulent cholesteatomatous otitis media may feel unbalanced and experience symptoms of walking tilt.