急性小脑性共济失调大多发生于2岁以下婴儿,成人少见。但目前临床报道则多为成人或学龄期。我们曾诊治2例婴儿患者报告如下。例1 男,1岁2个月。于就诊前3天,突然发热、轻咳、流涕。经当地医院肌注双效西林和解热剂数日后烧退,仍轻咳。但发现患儿每于站立时,大哭,摇摇欲跌,抱起时哭闹停止。睡眠不安, Acute cerebellar ataxia occurs mostly in infants under 2 years of age, rare in adults. However, clinical reports are mostly adult or school-age. We have treated 2 cases of infants reported as follows. Example 1 male, 1 year and 2 months. 3 days before treatment, sudden fever, light cough, runny nose. After the local hospital intramuscular injection Shuanglin Xilin and antipyretic agents burn back a few days later, still cough. But found that children standing each time, crying, shaking or falling, crying stopped. Restless sleep,