周围神经病有系统、代谢和毒素等多种原因。最常见可治原因有糖尿病、甲状腺功能减退症和营养缺乏。诊断需做细致的临床评估及恰当的试验室检测;若不能确诊,还需进一步做电诊断检查或神经活检。系统化处理法,首先要做周围神经病损的定位、原存病因的识别和潜在可治疗原因的排除 Peripheral neuropathy system, metabolism and toxins and other reasons. The most common causes of treatment are diabetes, hypothyroidism and nutritional deficiencies. Diagnosis requires careful clinical evaluation and appropriate laboratory testing; if not diagnosed, need to do further diagnostic tests or nerve biopsy. Systematic approach, we must first do the localization of peripheral neuropathy, the identification of the original etiology and the reasons for the potential treatment can be excluded