儿童下肢痛是一种常见症状 ,因可见于多种疾病 ,故诊断较为困难。对这类病例医生常考虑骨骼肌肉系统疾病而很少考虑神经系统病变 ;再加上患儿的病史采集比较困难 ,在接受神经系统检查时常不易配合 ,因此很易误诊。儿童出现下肢痛一定要想到格林 巴利综合征的可能性。如没有及 Lower extremity pain in children is a common symptom, as can be seen in a variety of diseases, so the diagnosis is more difficult. In such cases, doctors often consider the skeletal muscle system diseases and rarely consider the nervous system lesions; together with the history of children with collection more difficult to accept in the nervous system check is often not easy to cooperate, it is easy to misdiagnosis. Lower limb pain in children must think of the possibility of Guillain-Barre syndrome. If not and