The treatment of hand numbness depends on the causes of hand numbness, the common causes are the following, first, the most common is cervical spondylosis. Cervical spondylosis, herniated discs compress the surrounding nerve roots, and cause numbness in the forearm of the upper limb or hand, mainly to treat cervical spondylosis, such as traction, widen the intervertebral space, promote the retraction of the disc, reduce the symptoms. Secondly, immobilization of the neck reduces the edema of the intervertebral disc caused by activity and reduces the irritation of the nerve root, thus improving the symptoms. If the numbness of the hand is caused by peripheral nerves, the most common is diabetes mellitus, in which elevated blood sugar can stimulate peripheral nerves and cause peripheral nerve lesions. The same causes numbness in the hand, then the treatment is mainly based on blood sugar control, nerve nutrition drugs taken orally to improve the peripheral symptoms.