Cerebral infarction that is, cerebral infarction, is the need to insist on taking antiplatelet drugs, but part of the population there are contraindications can not take aspirin, can use clopidogrel and other alternatives. Cerebral infarction people take antiplatelet aggregation drugs can prevent the recurrence of the disease, so the disease is stable, is the need to insist on taking platelet aggregation drugs, commonly used is aspirin and so on. Aspirin commonly used dosage form has tablets, can inhibit platelet aggregation, prevent thrombosis, can reduce atherosclerosis people myocardial infarction, temporary cerebral ischemia and the incidence of stroke. The visible adverse effects of this product include epigastric discomfort, vomiting, nausea and stomach pain. Aspirin should not be taken if there are contraindications such as allergy to the product, asthma induced by taking the product. It can be replaced by clopidogrel bisulfate tablets under the guidance of a doctor, which can prevent atherosclerotic thrombosis and is used in acute myocardial infarction and ischemic stroke. The visible adverse effects of this product include hematoma and nosebleed, etc. The drug is contraindicated in people who are allergic to the product, severe liver damage, and active pathological bleeding. The presence of cerebral infarction, should be standardized under the guidance of a doctor, to avoid stopping the drug on their own, causing adverse consequences.