Pediatric otitis media may cause vomiting, mainly in the following cases: 1. In pediatric purulent otitis media, a large amount of purulent secretions accumulate in the ear canal and cannot be discharged in a timely manner, and a large amount of inflammatory infection produces a large amount of toxins, which, after entering the body, can lead to symptoms of gastrointestinal toxicity in patients, resulting in nausea, vomiting, diarrhea and other related clinical manifestations, especially in infants and children, which may be more obvious. 2. Pediatric otitis media is not actively treated, or the aggressiveness of the pathogen is so strong that it induces intracranial infections in patients, forming meningitis and other related diseases, in which case nausea, vomiting and other manifestations will occur. In conclusion, pediatric otitis media with vomiting and diarrhea suggests a very serious lesion. In this case, the clinic should improve blood tests and other related tests, and increase anti-inflammatory infusions and other comprehensive treatment to avoid further serious lesions leading to serious consequences.