Left radiocoronal cavernous cerebral infarction is an imaging result derived from brain CT or MRI, which belongs to cavernous cerebral infarction. Cavernous cerebral infarction is generally milder and has a better prognosis, but it can recur, and patients are advised to undergo regular treatment in a timely manner. Patients with left radiocoronal cavernous cerebral infarction may have sudden onset of side, arm, leg muscle weakness, or mild hemiparesis with a heavy emphasis on the lower limbs of the protruding limbs, as well as clumsiness of movement and other symptoms. Patients with left radiocoronal lacunar cerebral infarction should be detected and treated early. Usually within 4.5 hours of the onset of the disease, it can be treated with thrombolytic drugs such as alteplase and neuroprotective drugs such as edaravone and cytarabine. For patients with high blood pressure, they usually need to take regular oral nifedipine extended-release tablets and other antihypertensive drugs. With timely and effective treatment, most patients can be cured, but are prone to recurrence and more serious manifestations such as cerebral infarction or vascular dementia. It is recommended that patients with left radiocoronary lacunar cerebral infarction should consult a doctor in time and follow the medication prescribed by the doctor for regular review, and at the same time, maintain good living habits, regular work and rest, appropriate exercise, and actively quit smoking.