Bilateral ischemic foci in the center of the semiovals are due to atherosclerosis, resulting in ischemic and hypoxic changes in the brain, but ischemic necrosis and softening have not yet formed, and infarct foci have not yet formed, and it is a diagnosis of imaging rather than a clinical diagnosis. In general, patients may find lesions when examining cranial nuclear magnetic resonance imaging, but most cranial CT examinations are normal. Patients may not have any clinical signs and symptoms and do not need special treatment. The main thing is to control the underlying diseases, such as when there is hypertension, diabetes mellitus, hyperlipidemia and hyperhomocysteinemia, they should be regulated, and try to make the blood lipids, blood glucose, blood pressure, and blood homocysteine reach the standard. If necessary, treatments to activate blood circulation and remove blood stasis, antiplatelet aggregation, and soften blood vessels are performed.