A 6 month old child with fever and convulsions may or may not have intracranial problems depending on the etiology. Common fever and convulsions in children include febrile convulsions and purulent meningitis. 1. febrile convulsions: manifested as convulsions caused by high fever, mostly full-blown seizures, short duration, after the convulsions, clear consciousness, lively as usual. There is no intracerebral organic change and no intracranial problem. 2. Purulent meningitis: it is an infectious disease of the central nervous system caused by many kinds of purulent bacteria. It occurs in winter and spring. The manifestations are headache, projectile vomiting, convulsions, and systemic symptoms of infection and poisoning. If you find that your child has fever and convulsions, you should go to the hospital in time and follow the doctor’s instructions to improve the prognosis.