婴儿脑型脚气病是由于维生素Ｂ1缺乏导致脑神经受损的营养缺乏性疾病 ,由于起病较急 ,临床表现缺乏特征性 ,早期诊断较困难 ,容易误诊。我院自1993年 8月至 1999年 9月共收治婴儿脑型脚气病31例 ,其中 16例病初误诊为病毒性脑炎及瑞氏综合征 ,笔者就误诊原因进行了分析。1　资 Infant brain beriberi is due to lack of vitamin B1 cause brain damage impaired nutritional deficiencies, due to acute onset, the lack of clinical manifestations of the characteristics of early diagnosis is more difficult and easily misdiagnosed. Our hospital from August 1993 to September 1999 were treated 31 cases of infantile brain beriberi, of which 16 cases were misdiagnosed as viral encephalitis and Reye’s syndrome, the author on the causes of misdiagnosis were analyzed. 1 capital