The causes of fever and convulsions in children mainly include febrile convulsions, central nervous system infections, etc., which need to be treated with relevant drugs according to different causes. 1. febrile convulsions: refers to the convulsions that occur between the ages of 3 months and 5 years after birth, at the beginning of fever or during the period of rapid increase in body temperature. Febrile convulsions (convulsive seizures due to high fever) are mostly transient and self-limiting, and seizures lasting more than ten minutes need to be sent to the emergency room for treatment. (1) Children with significant fever need to be relieved with fever-reducing medications such as acetaminophen and ibuprofen. (2) And can be through the use of phenobarbital oral method, long-term prevention of the work, in the early stages of fever in children, can be timely oral or rectal use of diazepam and other drugs for prevention. 2. Central nervous system infections: mainly bacterial or viral infections, leading to the emergence of meningitis, which can lead to abnormal discharge of neuronal cells, thus causing convulsions and fever. For children with meningitis, first of all, we should pay attention to bed rest, avoid excessive exertion, and secondly, we need to identify the specific pathogens, and treat according to different pathogens. (1) For viral meningitis, caused by influenza A virus, anti-viral drugs such as oseltamivir can be given for treatment. (2) For purulent meningitis, early treatment with antibiotic drugs, such as cefotaxime, is needed. Children with fever and convulsions, specific treatment methods, need to be under the guidance of a doctor, do not use drugs privately.