Patients with cerebral infarction have a high rate of recurrence, death and disability, so pay attention to the details of life, many patients have clinical signs, such as some patients appear early drooling at the corners of the mouth, half of the face numbness, or partially blind on one side of the vision, etc.. Specifically: 1, the patient does not know that he has the disease, but only knows that when he goes to the toilet and hits the door frame, he already has the symptoms of partial blindness on one side; 2, the patient’s hand is weak, and after two minutes, it is relieved, and he does not pay attention to it, but it is actually the precursor of stroke, numbness and weakness of one side of the limb; 3, the language is sluggish, and he cannot find the words to speak, forgetfulness, and he cannot find his home, sudden memory loss, etc., are all the pre-symptoms of cerebral infarction, which should be paid attention to; 4, the clinic should pay attention to it; 4, the patient should pay attention to it. It should be noted that many patients have blood pressure fluctuations in the early stage of cerebral infarction, for example, the original blood pressure is stable, not hypertensive patients, but suddenly the blood pressure reaches 140mmHg, 150mmHg, but still do not pay attention to it, think there are no clinical symptoms, so they do not see a doctor, and as a result, three days later there is a cerebral infarction. So some clinical symptoms, different cerebrovascular problems, there will be different symptoms prompt, should be paid attention to.