Patients with cerebral infarction are not recommended to drink alcohol, and drinking alcohol, including a small amount of alcohol, is a risk factor for cerebral infarction. The problem faced after having cerebral infarction is secondary prevention, and secondary prevention is divided into two aspects: 1. non-pharmacological treatment: non-pharmacological treatment includes low salt and low fat diet, diabetic diet when blood sugar is high, eating more fresh vegetables and fruits, quitting smoking and drinking, exercising regularly, exercising, regular work and rest, and maintaining emotional stability; 2. pharmacological treatment: pharmacological treatment includes antithrombotic, lipid-lowering, blood pressure-lowering, glucose-lowering, homocysteine-lowering, and anticoagulation for patients with atrial fibrillation. The patient who has atrial fibrillation needs anticoagulation therapy. Antithrombotic drugs include aspirin or clopidogrel, lipid-lowering drugs include atorvastatin or resevastatin, antihypertensive drugs include amlodipine, telmisartan, valsartan and other long-acting antihypertensive drugs, glucose-lowering drugs include glimepiride or metformin, insulin, homocysteine-lowering drugs include folic acid, vitamin B6 and vitamin B12, anticoagulant drugs include Warfarin or Rivaroxaban.