Patients suddenly appear dizziness, hand numbness, mainly consider the following aspects of the situation: First, if the patient is in a long-term low head or ambulatory work, to consider cervical spondylosis caused by the patient has a herniated disc resulting in nerve root compression, compression of the vertebral artery caused by insufficient blood supply to the brain related. Second, if the patient is suddenly dizzy, one side of the limb numbness, should be considered to be caused by acute cerebrovascular disease, this type of patients have hypertension, diabetes, hyperlipidemia and other underlying diseases, sudden dizziness with limb numbness should be considered to be transient ischemic attack, or new cerebral infarction, cerebral hemorrhage, etc., must be timely consultation, the hospital through the doctor’s examination to improve the head CT The hospital should improve the head CT or magnetic resonance brain function imaging examination to clarify the condition and treat the symptoms.