Numbness in the palms and fingers may be caused by cerebral infarction or cerebral hemorrhage, or may be caused by cervical spondylosis or transient cerebral 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 develops in quiet time, cerebral hemorrhage usually develops in activity, middle-aged and elderly people, most patients have previous history of hypertension, diabetes and hyperlipidemia, cranial CT and cranial MRI should be examined to clarify the diagnosis. 2, cervical spondylosis: if the patient has cervical spondylosis, it can also appear, while there may be muscle pain and discomfort in the neck and shoulder, cervical spine MRI can clarify the diagnosis. 3, transient Cerebral ischemic attack: If the symptoms are episodic, it may be transient cerebral ischemic attack, most of the symptoms last for 10-15 minutes, rarely more than an hour, and the symptoms are completely relieved within 24 hours, and cerebral infarction is likely to occur when frequent attacks occur, which is usually treated according to cerebral infarction.