本文观察了遗传性痉挛性截瘫1家系四代4例患者神经电生理异常改变，随访二年，并探讨了肌电图、H反射、大脑诱发电位与发病时间、病情程度的关系。 1 临床资料 1.1 一般资料 家系概况：24名成员中有5人发病，Ⅰ~Ⅱ代是父亲遗传，现已死亡，所生子女7人仅有一女(先症者)26 This article observes the hereditary spastic paraplegia 1 family of four generations of four generations of neuroelectrophysiological abnormalities were followed up for two years and explored the EMG, H reflex, brain evoked potential and the onset time, severity of the relationship. 1 Clinical data 1.1 General information Pedigree overview: 5 out of 24 members of the disease, Ⅰ ~ Ⅱ generation is the father of heredity, is now dead, 7 children born only one woman (first symptom) 26