How long it takes for the ear to stop flowing after otitis media surgery depends on the severity of the patient’s lesions and whether the correct and reasonable medication changes and anti-inflammatory treatment are carried out after surgery. Most patients will have no water flowing from their ears in about 3 months, some patients may have 1 month, and some patients with serious lesions may have about half a year, depending on the following.1. The severity of the patient’s lesions, if the patient is operated on the mastoid area, there may be no water flowing in about 1 month. If the patient is a cholesteatoma type otitis media lesion destruction is particularly large, the surgical trauma is relatively large, and the epithelialization time in the middle ear cavity is longer, it may take 3 months or even half a year to gradually not flowing water in the ear canal. 2. It is related to whether the patient has anti-inflammatory treatment after surgery, and whether the in-ear cleaning and medication change treatment is carried out according to the doctor’s prescription after surgery. If the patient’s anti-inflammatory treatment is reasonable and the in-ear medication change is timely and thorough, then If the anti-inflammatory treatment is reasonable and the medication change in the ear is timely and thorough, then the time for otitis media not to flow will be shortened, which may be 1 month or 3 months.