Otitis media is a common and prevalent disease in otolaryngology-head and neck surgery. In the initial acute otitis media, there are mostly symptoms of ear pain, and the symptoms can improve significantly or disappear after local or systemic antibiotics are used. If not treated in time or if the cause is not removed, it can cause perforation of the eardrum and become chronic otitis media. Many patients often ask: “Doctor, it’s okay to have an ear infection, it’s okay to have pus in your ear, it’s okay to have drops for a few days, most people have it, it’s okay, right? Is it really that simple? So, what are the dangers of otitis media? Once the tympanic membrane is perforated, its protective effect on the middle ear will be compromised, causing bacteria, sewage, and foreign objects from outside to enter the middle ear easily, causing repeated infections in the middle ear. 2. The clinical characteristic of chronic otitis media is long-term and repeated pus flow, and sometimes the pus can have a foul odor and even bleed, which seriously affects life, especially in summer, when swimming and other water-related sports cannot be carried out. 3, Long-term, repeated pus flow, inflammation destroys the auditory tuberosity, bacterial toxins damage the auditory nerve, causing gradual hearing loss, and otitis media is the most common cause of hearing loss or disappearance. 4. Some patients with chronic otitis media are also accompanied by the formation of middle ear cholesteatoma. Although cholesteatoma is not a tumor, its harm can be very serious. The invasion of the surrounding bone by the cholesteatoma n may lead to intracranial and extracranial complications, causing complications such as facial paralysis, vertigo, nausea, vomiting, and meningitis. Therefore, chronic otitis media is by no means a minor disease and should be taken seriously by patients. It is true that medication can temporarily relieve the condition, but in the end, the symptoms are not the root cause. In fact, only through modern microsurgical treatment of the ear can there be hope for a complete solution to the problem. If there are no physical contraindications, it is best to treat the problem surgically and stop suffering from pus in the ear. Not only can complications be avoided, but early surgery can improve hearing to varying degrees in a significant number of patients.