Some cervical spondylosis, such as radicular cervical spondylosis, can trigger numbness in the hands. Numbness of the hands may also be related to diabetic peripheral neuropathy, peripheral neuritis, carpal tunnel syndrome and other factors. 1. Nerve root cervical spondylosis: This type of cervical spondylosis can cause numbness in the arms and fingers due to compression of the nerve roots, which is mostly diagnosed through physical examination and imaging tests. 2. Diabetic peripheral neuropathy: It is a common complication of diabetes mellitus. Severe diabetes mellitus patients with prolonged poor glycemic control can lead to microangiopathy and neuroinflammatory injuries, which can cause sensory abnormalities in the endings of the extremities, such as numbness of the hands, feet, pain and other symptoms. 3. Peripheral neuritis: generally due to infection, malnutrition, allergy, poisoning and other causes, can be manifested as peripheral sensory disorders, such as numbness, pain and other symptoms. 4. Carpal Tunnel Syndrome: a sterile inflammatory disease caused by long-term wrist strain, which can lead to nerve compression in the carpal tunnel area, thus causing numbness in the hands. Numbness of the fingers is not only cervical spondylosis, but also can be seen in a variety of reasons, should be timely hospital consultation, under the guidance of the doctor’s examination and targeted treatment.