Numbness of the hand, according to the symptoms accompanying numbness of the hand to decide what department to hang, as follows: 1, neurology: patients appear numbness of the hand, if accompanied by weakness of the hand, this time we need to hang neurology, to carry out cranial magnetic resonance examination, to understand whether there are intracranial lesions, such as intracranial vascular disease or intracranial occupational lesions. 2, rehabilitation: if the numbness of one hand, accompanied by dizziness, neck pain, this time we can register to the rehabilitation department, to carry out cervical spine magnetic resonance examination, to understand whether there is cervical disc herniation. If you have numbness in one hand, accompanied by dizziness and neck pain, you can go to the rehabilitation department for a cervical MRI to find out if there is cervical disc herniation. 3. Endocrinology: If a patient with diabetes has numbness in the hand, you can go to the endocrinology department to find out if there are any peripheral neuropathy changes caused by diabetes. Therefore, what department to register for numbness in the hand, according to the accompanying symptoms and causes to choose.