慢性炎性脱髓鞘性多发性神经根神经病（ＣＩＤＰ）是一种周围神经疾病。其临床特征是：（１）近端和远端肢体无力，腱反射减弱或消失；（２）脑脊液蛋白细胞分离；（３）神经传导速度减慢；（４）呈持续进展或缓解－复发病程。本文报告６例ＣＩＤＰ，均符合Ｄｙｃｋ的有关诊断标准。结合文献对ＣＩＤＰ的临床表现、诊断、治疗和预后进行了讨论。 Chronic inflammatory demyelinating polyarteritis neuropathy (CIDP) is a peripheral neuropathy. Its clinical features are: (1) proximal and distal limb weakness, tendon reflexes weakened or disappeared; (2) cerebrospinal fluid protein cells isolated; (3) nerve conduction velocity slowed; (4) was sustained progress or remission - the course of relapse . This article reports 6 cases of CIDP, are in line with Dyck’s diagnostic criteria. The clinical manifestations, diagnosis, treatment and prognosis of CIDP are discussed in combination with the literature.