Elderly people appear right hand numbness, first of all, we should see whether the patient has high-risk factors, such as whether there is hypertension, hyperglycemia, hyperlipidemia, consider whether there is cerebrovascular disease, cervical spondylosis, diabetes mellitus peripheral neuropathy can lead to numbness in the hand. It is recommended that the patient go to the hospital for head and cervical spine related examination, preferably for diabetes screening, to further identify the cause of the disease, and according to the cause of the disease to give symptomatic treatment. For peripheral neuropathy, electromyography is the main means of examination at present, and electromyography of the right ulnar and radial nerves can be carried out to clarify the cause of the lesion, because the treatment effect and prognosis of different causes are different.