利用磁带记录２４ｈ脑电监测系统（ＡＥＥＧ）观察９２例临床诊断为癫痫的患者。结果：异常率为８７％，痫样放电率为８０％，临床发作出现率为２５％，均高于常规ＥＥＧ。痫样放电发生在睡眠中多于清醒时，痫样放电检出率与临床发作类型、发作频率、年龄、描记时距末次发作的时间有关。 Twenty-two patients with clinically diagnosed epilepsy were observed by tape recording 24h EEG monitoring system. Results: The abnormal rate was 87%, the epileptiform discharge rate was 80% and the clinical attack rate was 25%, which were higher than the conventional EEG. Occurrence of epileptiform discharges in sleep more than awake, the detection rate of epileptiform discharge and clinical type of attack, seizure frequency, age, description of time from the last episode of time.