A big fall on the head and slight numbness of the hand may be caused by transient ischemic attack, cervical spondylosis, cerebral hemorrhage and other factors, patients should consult a doctor in time to clarify the cause of the disease. 1. Transient ischemic attack: Transient ischemic attack can cause the above symptoms. This kind of people will also have headache, dizziness and other symptoms, and should consult a doctor in time. 2. Cervical spondylosis: A big fall on the head and a slight numbness of the hands may trigger the attack of cervical spondylosis, which may also cause neck pain and stiffness of the back of the neck, and localized massage and physiotherapy can be carried out under the guidance of the doctor. 3. Cerebral hemorrhage: trauma caused by cerebral hemorrhage can also cause head fall a big bag, hand a little numbness, such patients will also have a headache, vomiting and other symptoms, should be timely to the regular hospital for related treatment.