氯硝安定（clonazepam，CZP）对失神癫病及肌阵挛发作有明显疗效，但对小儿失神癫痫的远期效果的前瞻性研究尚未见报道。因此，对其远期治疗及停药后的经过报告如下．对象与方法最初对象为没有精神运动发育障碍及神经系统异常的20例小儿失神癫痫，给CZP早晚两次分服，每日星从0 Clonazepam (clonazepam, CZP) on the absence of epilepsy and myoclonic seizures have a significant effect, but the long-term effect of absence of epilepsy in children prospective study has not been reported. Therefore, the long-term treatment and withdrawal after the report is as follows. Subjects and methods The initial target for the absence of mental retardation and neurological abnormalities in 20 cases of absence of children with epilepsy, to CZP twice a day, daily star from 0