There is no specific emergency medicine for sudden cerebral thrombosis, and thrombolytic therapy should be sought in time. Cerebral thrombosis is cerebral infarction, and the common clinical manifestations of sudden cerebral thrombosis are hemiparesis, hemiplegia, oblique angle of the mouth, slurred speech, etc. Based on the symptoms, it cannot be determined that it is cerebral thrombosis, so it is necessary to seek medical treatment in time, and perform a cranial CT examination for diagnosis. The first choice of treatment for sudden cerebral thrombosis is intravenous thrombolytic therapy, commonly used thrombolytic atipase, teneplase, etc. If there is a contraindication to thrombolytic therapy, aspirin, atorvastatin and other anti-platelet aggregation, plaque stabilizing drugs can be given to treat the condition; if it is a large-vessel lesion, it can be treated by interventional surgery. Time is brain, sudden cerebral thrombosis, the need for timely medical treatment, do not blindly self-judgment and medication.