Frequent feeling of hand numbness needs to be considered for the following reasons, peripheral neuritis, cervical spondylosis, cerebrovascular disease, carpal tunnel stenosis syndrome, brachial plexus nerve compression, brachial plexus neuritis, incorrect posture long-term low head playing cell phones, computers, Raynaud’s disease, etc. Firstly, peripheral neuropathy, especially for the elderly, especially with diabetes, hypertension and hyperlipidemia, is prone to accompanying peripheral neuritis, and should be treated for the primary disease, while oral nerve-nourishing drugs should be taken for improvement, such as methylcobalamin and vitamin B complex, and more vegetables and fruits can be eaten in the diet. Secondly, cervical spondylosis can also cause hand numbness, which can be clarified by CT of the cervical spine at the hospital, and oral medications to improve circulation and blood vessel expansion, such as nimodipine tablets. Carpal tunnel syndrome, as well as carpal tunnel synovial problems, carpal tunnel stenosis stimulates the finger nerve, cerebral nerve, median nerve, resulting in nerve sensing failure, performance hand numbness. Finally, prolonged playing with cell phones leads to cervical spine problems and hand numbness, and if hand numbness occurs, it is recommended that the hospital identify the cause.