Children with fever, drowsiness and vomiting, need to be highly alert to intracranial infections, such as purulent meningitis, viral encephalitis and other diseases caused by the need for immediate medical treatment, as prescribed by the doctor to carry out anti-infective treatment, rehydration, reduce intracranial pressure and other treatments. Children with fever, drowsiness and vomiting, if you consider purulent meningitis, you need to choose the appropriate antibiotic treatment according to the cerebrospinal fluid culture (such as meropenem, etc.), and adjust the antibiotic according to the results of the drug sensitivity, if necessary. In case of tuberculosis infection, anti-tuberculosis treatment such as isoniazid can be prescribed. Viral meningitis can also present with the above symptoms, and the choice of antiviral drugs varies according to the type of virus, with ganciclovir preferred for cytomegalovirus meningitis, and adenosine prescribed for encephalitis caused by EBV infection. Symptomatic treatment includes antipyretic therapy such as ibuprofen, rehydration therapy, and mannitol for lowering cranial pressure, with monitoring of vital signs such as blood pressure. If the baby has the above symptoms, it is recommended to consult a doctor as soon as possible, after a clear diagnosis, to carry out targeted treatment, the drugs should be prescribed by the doctor reasonable application.