小儿高热惊厥(febrile convulsion,FC)是儿科常见急症之一,好发于6个月~3岁的小儿,小儿的中枢神经系统发育不完善,大脑皮肤抑制能力差,易出现泛化兴奋性冲动,导致神经元群过度异常放电,骨骼肌群出现短暂、不随意收缩运动,表现为突然意识丧失、头向后仰、牙关紧闭、口吐白沫、面色青紫、眼球斜视、大小便失禁等[1]。一般抽搐持续数秒至十余分钟会自动停止,发作停止后多进入昏睡状态,偶有反复发作;如抽搐时间过长或者发作频繁,会造成脑细胞的 Children with febrile convulsion (febrile convulsion, FC) is one of the common pediatric emergency, occurs in children aged 6 months to 3 years old, children with incomplete development of the central nervous system, poor skin inhibition of the brain, prone to generalized excitatory impulses , Leading to excessive abnormal discharge of neuronal groups, skeletal muscle groups appear transient, involuntary contraction movement, manifested as a sudden loss of consciousness, head back, teeth closed, foaming at the mouth, looking bruising, strabismus, incontinence, etc. [1]. General convulsions continue for a few seconds to more than ten minutes will automatically stop, stop seizures and more into the lethargy state, occasional repeated attacks; such as convulsions for too long or frequent seizures, can cause brain cells