Cerebral infarction patients suddenly appear a lot of sweating, caused by the etiology may be more, you can start from the following aspects: 1, cerebral infarction patients with poor feeding or diabetes, to consider whether there is the possibility of hypoglycemia, you can carry out the bedside glucose measurement to exclude; 2, cardiogenic factors, consider whether the patient has underlying heart disease, usually to check the electrocardiogram or ask the patient’s symptoms to exclude; 3, if If patients with cerebral infarction are accompanied by bad consciousness or speech disorder, consider whether there is any uncomfortable symptom that can’t be said to cause sweating; 4, patients with cerebral infarction can cause vegetative nerve dysfunction, which can also cause more sweating. In conclusion, if patients with cerebral infarction have sweating, they should consult regular hospitals for further judgment of their condition by doctors and appropriate treatments.