Result: The apoB concentration, apoB / apoA-I ratio of the intracranial atherosclerosis group was higher than that of the extracranial atherosclerosis group (1.34 ± 0.3g / l and 1.22 ± 0.27g / l; 1.19 ± 0.33 and 0.97 ± 0.35) with p<0.05.