Hand numbness is not only caused by high blood pressure, but also by many clinical reasons. Of course, if the patient’s blood pressure is not well controlled, high and low on the human body more harm, blood pressure will lead to insufficient blood supply to the arm, long-term elevated blood pressure will cause nerve damage, patients feel numb hands. As early as possible to bring the blood pressure up to standard, and continue to meet the standard, to reduce ischemia, hand numbness symptoms will be relieved. If the blood pressure control is stable and the patient’s hand numbness cannot be relieved, it is important to pay attention to whether the patient has other diseases in combination. Causes of hand numbness, such as cervical spondylosis, intervertebral foraminal hyperplasia and stenosis, or combined neurotropic conditions, can be further examined by cervical spine MRI, electromyography, etc. Patients who have diabetes, generally diabetic patients are often accompanied by peripheral neuropathy, will also appear hand numbness, nutritional nerve therapy for hand numbness can be alleviated, good diagnosis and differential diagnosis is very important.