作者分析了２０例经ＣＴ证实的新生儿原发性蛛网膜下腔出血（ＳＡＨ）患者，男１２例，女８例，年龄２～７２小时，平均２１．５小时。其病因最常见是围产期窒息缺氧、产伤和早产。临床表现不典型，可发生失明、脑瘫、癫痫等严重神经系统后遗症。对本病的发病率、病因、临床特点和预后进行了讨论 The authors analyzed 20 patients with primary neonatal subarachnoid hemorrhage (SAH) confirmed by CT, including 12 males and 8 females, aged 2 to 72 hours, with an average of 21.5 hours. The most common cause of the perinatal asphyxia hypoxia, birth trauma and premature birth. Clinical manifestations are not typical, can occur blindness, cerebral palsy, epilepsy and other serious neurological sequelae. The incidence of the disease, etiology, clinical features and prognosis were discussed