Postpartum cerebral angiopathy is a benign, reversible clinicoradiologic syndrome. The clinical significance of this syndrome is the difficulty in differentiating it from other severe disorders such as subarachnoid hemorrhage and cere-bral vasculitis. A 25-year-old woman who developed a severe headache, transient total blindness ,and generalized tonic clonic seizures 14 days postpartum was admitted to our hospital. A MRI of the brain revealed a bilateral anterior cere-bral artery (ACA) infarction. A cerebral angiography showed the narrowing of the M1 and M2 segments of the left middle cerebral artery (MCA), the right MCA M1 segment, and the A1 and proximal A2 segments of the right ACA. Also, it showed the narrowing of the proximal basilar artery portion from which the anterior inferior cerebellar artey arose, P1, P2, and P3 segments of the left posterior cerebral artery (PCA), and the right PCA P1 segment. With the treatment of nimodipine, the abnormalities on these studies were markedly improved two weeks later.