Numbness of palms and fingers may be caused by cerebral infarction or cerebral hemorrhage, or it may be caused by cervical spondylosis and transient ischemic attack, as follows: 1. Cerebral infarction or cerebral hemorrhage: if the symptoms are persistent, it may be caused by cerebral infarction or cerebral hemorrhage. Cerebral infarction mostly occurs when the patient is quiet, and cerebral hemorrhage usually occurs when the patient is active, and is more common in middle-aged and elderly people. Most patients have a history of hypertension, diabetes mellitus and hyperlipidemia, and should be examined by cranial CT and cranial MRI in order to make a clear diagnosis. 2. cervical spondylosis: If the patient has cervical spondylosis, it can also be seen, and at the same time, it may appear as neck and shoulder muscle pain and discomfort, and cervical spondylosis can make a clear diagnosis. 3. transient Cerebral ischemic attack: If the symptom is episodic, it may be transient cerebral ischemic attack, most of the symptom lasts for 10-15 minutes, seldom more than one hour, and the symptom will be completely relieved within 24 hours, and it is easy for cerebral infarction to occur in frequent episodes, and it should be treated according to cerebral infarction in general.