A small ischemic foci in the left frontal lobe, the patient is considered to have ischemic cerebrovascular disease. The patient is advised to have a vascular examination of the brain, which can be done by transcranial Doppler to see if there is spasm of cerebral vessels. If necessary, CTA or MRA can also be performed to see if there is vascular stenosis. If the patient has small ischemic foci in the frontal lobe due to cerebral vasospasm, the patient will have a history of headache and oral medications to relieve the vasospasm, such as flunarizine hydrochloride, nimodipine, and also ginkgo biloba preparations are recommended. If the patient has severe vascular stenosis, which is considered to be due to atherosclerosis, the patient is advised to take oral statins to lower lipids and protect the intima of blood vessels. It can also be combined with ginkgo biloba preparations or brain heart clearing tablets to improve blood supply to the brain. Patients are also advised to order vasodilators such as niacin or fasudil hydrochloride.