Left frontal lobe lacunar foci, lacunar infarct foci are generally small lesions, the condition is generally not serious. It is recommended to standardize the diagnosis and treatment under the guidance of professional physicians. Left frontal lobe lacunar foci refer to small lacunar ischemic foci in the frontal lobe of the left side of the patient’s brain, the scope of the lesion is relatively small, and the patient may not have obvious symptoms and signs, and will not affect daily life and work, so the condition may not be serious. In normal times, patients should pay attention to a light diet, strengthen physical exercise, enhance physical fitness, and maintain a good state of mind to avoid aggravation of the condition. In patients with left frontal lobe cavernous foci, they can be treated under the guidance of a professional doctor, and can use clopidogrel tablets, aspirin enteric-coated tablets, ginkgo biloba soft capsules and other drugs for treatment, and medication is recommended to be applied under the guidance of a professional physician.