Short-term water flow after otitis media cholesteatoma surgery without other discomfort is generally considered normal, such as a long period of water flow is not normal. After cholesteatoma surgery, the external auditory canal is stuffed with iodoform gauze and gelatin sponge for the purpose of compression and hemostasis; fixation of the tympanic membrane and implantation of the auditory ossicles; and promotion of epithelial growth and avoidance of granulomatous hyperplasia. Need to remove the gauze about 10-14 days after the operation, about 1 month after the operation to remove the residual gelatin sponge, so 1 month after the operation, the ear canal has a normal bloody secretion, most of the patients in 2 months the operation area to return to normal, dry ear, some patients may need 3 months. If patients with otitis media cholesteatoma surgery after running water, it may be due to the presence of infection in the ear, which will be accompanied by symptoms such as itching, pain and even fever in the ear, which may cause the production of purulent secretions, leading to inflammatory infection in patients. Or prolonged wetness of the operative cavity with discharge, requiring hospital follow-up for treatment. After cholesteatoma surgery, it is necessary to follow the doctor’s instructions for regular outpatient review, to observe the situation of the surgical cavity, and to deal with any problems in a timely manner.