The three children are 63 years old. Three children have been ill for more than 6 months and have been examined in many hospitals only for cerebral infarction and white part disease in small blood vessels. My father often feels cold in the afternoon and evening. Currently, three children also have severe insomnia because of the cold and can't eat anything but white porridge. So the doctor asked me what is the cause of cold in patients with cerebral infarction?