Cerebral infarction patients with facial swelling phenomenon, to be sure is that cerebral infarction does not cause the patient’s facial swelling, facial swelling is another cause, to consider three aspects of the cause: first of all, the daily fluid intake is greater than the amount of output, there will be swelling of the face; secondly, the patient is the presence of cardiac failure, as well as renal failure, it is recommended that the patient to do the cardiac ultrasound as well as the BNP measurement, but also need to do the renal function as well as the renal ultrasound test; finally, the patient is the presence of hypoproteinemia, and also need to do the liver function test, to find out the face of the swelling is due to which cause.