1, although aspirin is cheap, it is currently the first choice of medication to prevent recurrence of cerebral thrombosis internationally (secondary prevention of stroke); 2, taking aspirin can greatly reduce the recurrence of cerebral thrombosis, it needs to be taken for a long time, just take 1 tablet of “bye aspirin” every day. Unless the patient has drug-related complications such as bleeding in the gastrointestinal tract or other parts of the body, it cannot be taken for a long time; 3, control the risk factors of stroke, such as hypertension, diabetes, high blood pressure, etc. These drugs are also to be taken for a long time. These drugs should also be taken for a long time. Poor control of blood pressure, blood sugar and blood lipids will accelerate atherosclerosis and promote the recurrence of stroke; 4. “Statins (e.g. atorvastatin, resulvastatin) are useful for stabilizing atheromatous plaques and preventing plaque expansion. If there is severe carotid stenosis, carotid stenting surgery or carotid endarterectomy can be considered; 5. Quit smoking. Smoking is one of the risk factors for cerebrovascular disease. In our clinical work, we found that some stroke patients do not have “three high (hypertension, hyperglycemia, hyperlipidemia)” underlying diseases, but only smoking as a risk factor; 6, in addition, we need a balanced diet, emotional stability, and appropriate exercise.