Patients who have a precursor to stroke need to take oral antiplatelet aggregation drugs, mainly aspirin and clopidogrel bisulfate two drugs. Patients also need to take drugs to reduce blood lipids and protect the endothelium of blood vessels, mainly statins, such as atorvastatin calcium tablets, resuvastatin calcium tablets, pitavastatin calcium tablets, etc. With these two drugs, some patients may have their condition effectively stopped, preventing patients from having problems with cerebral infarction. Stroke precursor refers to transient cerebral ischemic attack, the performance is related to the ischemic part, such as the performance of one side of the limb weakness, mild hemiparesis, limb sensory numbness, crooked corners of the mouth, speech clumsiness, dizziness, etc., but the symptoms can be completely relieved in a short period of time, so the symptoms may be completely recovered within a few minutes or a few hours, but it is easy to recur, and this is the precursor of a stroke.