报道１９例成人癫痫状态患者，既往均无癫痫发作史，首次发病即表现为癫痫状态，结合临床对其病因及发病机理进行讨论，提出：中老年患者首发癫闲状态应考虑额叶肿瘤、糖尿病、脑血管病，青年患者应考虑颅内感染、蛛网膜下腔出血（ＳＡＨ）、动静脉畸形（ＡＶＭ）等。一旦确诊，应尽早对因治疗，其预后良好。 Reported 19 cases of adult patients with epilepsy, previous history of no seizures, the first incidence of epilepsy that performance status, combined with clinical etiology and pathogenesis were discussed, the proposed middle-aged and elderly patients with first-momentary status should be considered in frontal tumors, diabetes , Cerebrovascular disease, young patients should consider intracranial infection, subarachnoid hemorrhage (SAH), arteriovenous malformations (AVM) and so on. Once diagnosed, due to treatment as soon as possible, the prognosis is good.