The causes of hand numbness and hand pain include physiological factors, diabetic peripheral neuropathy, carpal tunnel syndrome, cervical spine disorders and so on. 1. Physiological factors: when the hand is compressed due to incorrect posture and other reasons, due to local ischemia and hypoxia, there will be hand numbness, hand pain and other symptoms, when the compression is lifted, it will usually return to normal in a short period of time. 2. Disease factors (1) Diabetic peripheral neuropathy: If the patient has a history of diabetes, and poor glycemic control can lead to peripheral neuropathy, and in severe cases, there will be hand numbness, hand pain and other symptoms. (2) Carpal Tunnel Syndrome: At the onset of the disease, the median nerve will be compressed due to numbness and hand pain and other symptoms. (3) Cervical spine disorders: including cervical spinal stenosis, cervical disc herniation, etc., at the onset of the disease, due to the compression of the nerve roots in the neck, there can be numbness and pain in the hands. The causes of hand numbness and hand pain are many, it is recommended that patients go to the regular hospital in time to improve the auxiliary examination to clarify the cause of the disease, under the guidance of the doctor reasonable treatment.