本文报告4例正常颅压脑积水,均有不同程度的步态障碍、精神症状及尿失禁。气脑造影、同位素脑池扫描检查正常。2例病因不明,2例伴高血压和动脉硬化。本组2例经腰穿放脑脊液治疗后症状明显好转,其中1例于半年后随访,症状完全消失,在缺乏手术条件时此术更为适用。 This article reports 4 cases of normal intracranial pressure hydrocephalus, have varying degrees of gait disorders, mental symptoms and urinary incontinence. Cerebral angiography, isotope brain pool scan normal. 2 cases of unknown etiology, 2 cases with hypertension and arteriosclerosis. The group of 2 cases of lumbar puncture and put the cerebrospinal fluid after the treatment of symptoms was significantly improved, of which 1 case was followed up after six months, the symptoms disappeared completely, in the absence of surgical conditions this technique is more applicable.