The precautions for patients with lacunar cerebral infarction include the following aspects:1. Antiplatelet aggregation drugs, such as aspirin and clopidogrel, can be applied, and statins, commonly used are simvastatin tablets, resuvastatin calcium tablets, atorvastatin calcium tablets, in order to prevent the disease in the first level. At the same time, patients should be instructed to apply medications that activate blood circulation and remove blood stasis, such as oral ginkgo biloba drops, which are beneficial to the disease.2. Lifestyle should be improved, with low-salt, low-fat and low-sugar diets, appropriate lean meat and fish, appropriate nut foods, smoking cessation, alcohol restriction, and appropriate exercise to control body weight.3. Control of the underlying disease, such as when there is high blood pressure and diabetes mellitus, should be regulated.