Abstract: 【ABSTRACT】Objective: To assess the clinical performance and therapeutic effect. Methods: Retrospective study were taken on 2 patients with narcolepsy in our hospital; Results：2 cases mostly with sleep onset, cataplexy, sleep paralysis, hallucinations, sleep and other symptoms, treatment effect of methylphenidate is good. Conclusion: Narcolepsy is a great influence on patients' Health chronic diseases of the nervous system, given early standardized treatment, and psychological counseling can obtain satisfactory effect.

Key words: 发作性睡病, 哌甲酯