The object of this study was to examine the relationship between arteriosclerosis and oriental medical diagnosis of the patients who had suffered ischemic stroke. The degree of arteriosclerosis of the patients was assessed by cardio-ankle vascular index(CAVI), and diagnostic criteria used for all patients were deficiency of ki, deficiency of blood, blood stasis and stagnation of water. One hundred four patients were included and their general characteristics, CAVI and oriental diagnosis were evaluated. Results showed a significantly strong correlation between CAVI and blood stasis. These results suggest a close relationship between arterioslcerosis and blood static syndrome as defined by oriental medicine. If so, diagnosis of blood static syndrome is a reilable predictor of arteriosclerosis.