Patients with cerebral infarction can generally eat sweet potatoes in moderation, but if the patient has diabetes, try to eat less or not eat. The main ingredients in sweet potatoes are starch and a large amount of glucose, which can easily raise blood sugar. For patients with cerebral infarction, diabetes mellitus is an independent risk factor, and there are other risk factors, including hyperlipidemia, hyperhomocysteinemia, obesity and smoking and drinking. The diet of patients with cerebral infarction should be low-salt, low-fat, low-sugar, easy to digest, and usually eat less sweets to prevent hyperglycemia; eat less fatty meat and high-fat food to prevent hyperlipidemia; eat less salt to prevent hypertension. Should be more exercise, weight control, quit smoking and avoid alcohol. Patients with cerebral infarction should eat appropriate nut foods, which are beneficial to the brain, and they can eat fish, lean meat and leather eggs to supplement the essential minerals, nutrients and proteins.