Numbness and stiffness of the hands are mostly considered to be caused by environmental factors, carpal tunnel syndrome, rheumatoid arthritis and other reasons. 1. Environmental factors: due to prolonged cold, poor blood circulation supply to the endings of the limbs, arterial occlusion caused by a few vascular lesions in the limbs, followed by poor blood supply to the ends of the limbs, resulting in numbness and stiffness of the fingers. 2. Carpal Tunnel Syndrome: Due to inflammation, osteophytes, trauma and other reasons, the pressure in the carpal tunnel increases, compressing the vascular and neural tissues in the carpal tunnel, which may cause numbness and inactivity of the hand. 3. Rheumatoid arthritis: when the nervous system is damaged, there will be multiple peripheral neuropathy, so that the nerve is compressed and hand numbness occurs. Clinical manifestations of the small joints of the hand when getting up, numbness, stiffness and other symptoms. If the patient has numbness and stiffness of the hand, he should go to the hospital in time and be treated under the guidance of the doctor.