Left radiocoronary lacunar infarction is a type of cerebral infarction, which refers to insufficient cerebral blood supply in the left radiocoronary region due to occlusion of small arteries, and often causes symptoms such as dizziness and fatigue. Left radiocoronary lacunar infarction is caused by small artery occlusion, resulting in localized scattered multiple punctate infarction foci, generally mild symptoms, mainly manifested as dizziness, fatigue and other symptoms. Obvious speech or limb dysfunction rarely occurs. There are many causes of lacunar cerebral infarction, such as obesity, diabetes mellitus, hypertension, hyperlipidemia and other diseases, as well as smoking and drinking and other bad habits and other triggering factors. Patients with this disease should change bad habits, actively stabilize blood pressure, blood lipid, blood sugar and other indicators through medication, and with the selection of nutritive brain cell therapy, such as piracetam, cerebral protein hydrolysis, antiplatelet drugs such as aspirin, lipid-lowering drugs such as resuvastatin. Left radiocoronal cavernous infarction, the need for timely medical treatment, drugs should be used under the guidance of a doctor.