Cerebral infarction is the ischemic necrosis or softening of limited brain tissues caused by blood circulation disorder, ischemia and hypoxia in the brain. Clinical symptoms are more complicated, and the clinical manifestations mainly depend on the size and location of infarction foci, and the situation of blood vessels supplying blood. Clinical manifestations can be divided into three categories: Typical manifestations: cerebral infarction is usually a sudden onset of the disease, there is also a slow progression of aggravation, the symptoms are mainly manifested as one side of the limb weakness, numbness, crooked tongue, slurred speech or inability to understand the speech of others, etc., these symptoms are very common, and the general public can recognize that cerebral infarction has occurred. Atypical performance: Individual patients show dizziness symptoms, a sense of heaven and earth, or only a sense of dizziness, double vision, dysphagia or choking on drinking water, or walking skewed to the side, hitting the door frame, or hemiplegia, or pain, or limb shaking and other atypical manifestations, in fact, is the occurrence of a cerebral infarction in some special parts of the infarction, this type of infarction is not typical, but the condition is often more susceptible to change, and should be paid attention to. Attention should be paid to it. Critical manifestations: if the area of cerebral infarction is large or cerebral infarction occurs in key areas, it will lead to confusion or even coma, and may also involve the respiratory and circulatory centers and endanger the patient’s life, and these types of signs indicate the seriousness of the condition, and if the degree of impaired consciousness gradually worsens, it indicates that the condition is progressing, and the patient should be urgently referred to a doctor or rescue treatment. Therefore, cerebral infarction will have various symptoms, if one or more of the above symptoms are shown, it suggests that cerebral infarction may occur, and you should consult a doctor in time to seek professional diagnosis and treatment.