Cerebral infarction will show signs of hemiplegic sensory impairment, so when suffering from cerebral infarction, you may experience the uncomfortable symptom of numbness in your fingertips. Cerebral infarction is one of the common cerebrovascular diseases, also known as ischemic stroke, which is a disease caused by the lack of blood circulation in the brain, resulting in ischemia or lack of oxygen in the brain tissue. Cerebral infarction leads to the obstruction of blood circulation in the brain, and the performance of partial sensory disorder will often appear, such as numbness of one side of the fingers or lower limbs, especially in the early stage of the onset of the performance of numbness of the fingertips, which is one of the precursor manifestations of cerebral infarction. The clinical symptoms of cerebral infarction are more complex, and may include hemiparesis of one side of the limbs, slurred speech, numbness of the limbs, headache, vomiting and other symptoms. When the symptoms of unexplained numbness of the fingertips appear, you should consult a doctor as soon as possible to clarify the specific cause of the disease and exclude the possibility of cerebral infarction in time.