Symptoms of cerebral infarction are mainly consciousness disorder, speech disorder, sensory-motor disorder of limbs, and so on. The precautions to be taken are timely medical treatment, active treatment and rehabilitation exercises. Patients with cerebral infarction may have different clinical symptoms depending on the location and area of infarction. Common symptoms include headache, dizziness, paralysis and numbness of one side of the limbs. Patients may have symptoms such as slurred speech, impaired consciousness, etc. Some patients may also have symptoms such as limb convulsions, urinary and fecal incontinence, dysphagia, choking on drinking water, visual field defects, double vision, etc. Patients with cerebral infarction should pay attention to timely consultation. Patients with cerebral infarction should pay attention to timely medical treatment, clarify the cause of the disease and the severity of the disease, and take treatment and regular medication under the guidance of doctors. Patients should actively carry out rehabilitation exercises to restore the function of limbs. When cerebral infarction occurs, patients should go to the regular neurology department as early as possible to improve the relevant examination and timely treatment, so as not to delay the condition.