锌、铜、铁是人体所必须的微量元素，其含量变化与神经系统的发育和功能及机体的防御免疫功能都有影响。格林一巴利综合征（GBS）目前认为是感染后的自身免疫脱髓鞘性疾病，其发病机理目前还不清楚。在我国GBS发病率较高，有儿童多见，农村多见和夏秋季多见的特点。为研究GBS患 Zinc, copper and iron are necessary microelements of the human body. Their content changes have an impact on the development and function of the nervous system and the defense immunity of the body. Green-Barre syndrome (GBS) is now considered as an autoimmune demyelinating disease after infection, and its pathogenesis is unclear. GBS in our country a higher incidence, more common in children, more common in rural areas and summer and autumn more common features. To study GBS patients