本文报道儿童钩端螺旋体脑动脉炎415例。根据临床特征分为:偏瘫型226例,双偏瘫型109例,癫痫型45例,颅内出血型16例,假脑瘤型14例及一过性脑缺血发作型5例。钩体血清学检查全组均有补体或显凝试验中的一项或两项阳性。脑血管造影及脑病理学检查均示明显改变。本组中281例经治疗痊愈67例,明显好转及好转分别为53、130例,无效24例,死亡7例。本文并对本病有关症状加以探讨。 This article reports 415 children with leptospirosis cerebral arteritis. According to the clinical characteristics, there were 226 hemiparesis cases, 109 bipolar hemiplegia cases, 45 epilepsy cases, 16 intracranial hemorrhage cases, 14 pseudobulbar tumor cases and 5 transient ischemic attack cases. Serological examination of leptospirosis in the whole group were either complement or coagulation test in one or two positive. Cerebral angiography and brain pathology showed significant changes. The group of 281 patients cured 67 cases of treatment, improvement and improvement were 53,130 cases, 24 cases were ineffective, 7 patients died. This article and the symptoms of the disease to be explored.