Patients with cerebral infarction are generally afraid of cold, and cold weather can easily cause vasospasm leading to impaired blood supply to the brain, which can cause cerebral ischemia and hypoxia and aggravate necrosis and softening of brain tissue. Cerebral infarction can be clinically triggered by a variety of factors, including hyperlipidemia, hyperglycemia, hypertension, hyperhomocysteinemia and seasonality, but also physical obesity and smoking and alcohol consumption. For patients with cerebral infarction, active treatment of cerebral infarction, along with control of risk factors such as smoking cessation, alcohol avoidance, control of blood glucose, blood pressure and lipids, and homocysteine lowering. If patients recover from brain infarction, they should exercise in time to control their body weight, while paying attention to keeping warm to prevent excessive cold from causing vasospasm and leading to aggravation of brain infarction.