目的研究高热惊厥(FC)患儿的临床特征及预后,以减少癫和智力低下的发生。方法回顾分析240例FC患儿的临床资料,包括发病年龄特点、与发热的关系、惊厥的类型、基础疾病、治疗、惊厥发作次数及复发、家族史。结果 240例中首次发作年龄6个月～5岁占89.6%,其中1～3岁占65.1%,首次发作伴体温>38.5℃占80.2%,多为全身大发作,95.6%惊厥持续时间<10min。其基础疾病以急性上呼吸道感染为主,预后大多良好,仅有少数转为癫癎。结论 FC多发生于6个月～5岁患儿,预后多良好,其防治在于控制惊厥,积极降温,必要时预防性使用抗惊厥药物。 Objective To study the clinical characteristics and prognosis of children with febrile seizures (FC) to reduce the incidence of epilepsy and mental retardation. Methods Retrospective analysis of 240 cases of FC clinical data, including the age of onset characteristics, and fever, the type of seizures, underlying diseases, treatment, the number of seizures and recurrence, family history. Results The first attack in 240 cases was 89.6% of patients aged 6 months to 5 years old, 65.1% of whom were aged 1 to 3 years old. The first episode of fever was> 38.5 ℃, accounting for 80.2% of the total. Most of the episodes were general malaise and 95.6% of convulsions lasting less than 10 minutes . The underlying diseases with acute upper respiratory tract infection, the prognosis is mostly good, only a few converted to epilepsy. Conclusion FC occurred in 6 months to 5 years old children with good prognosis, the prevention and treatment is to control seizures, active cooling, if necessary, the prophylactic use of anticonvulsant drugs.