Frequent numbness of the hands may be physiological factors, but also may be a symptom of certain diseases, such as cervical spondylosis, stroke, carpal tunnel syndrome, etc., and should be promptly consulted to find out the cause of the disease. 1. Physiological factors: due to incorrect posture, such as the habit of sleeping with a pillow hand for a long time, causing obstruction of blood circulation in the hand, you may feel numbness in the hand, and can be relieved after changing the posture. 2. Pathologic factors: (1) cervical spondylosis: cervical spondylosis is a kind of disease based on degenerative pathological changes, patients usually have head and neck pain, numbness of the upper limbs, dizziness and other symptoms, so the hands are often numb may be caused by cervical spondylosis. (2) Stroke: Stroke is a disease of cerebral blood circulation disorder, and patients usually have symptoms such as numbness of hands and feet, weakness, and difficulty in spitting, so frequent numbness of hands may also be caused by stroke. (3) Carpal Tunnel Syndrome: Carpal Tunnel Syndrome may be due to long-term overuse of the wrist, or it may be caused by exogenous compression, which will lead to frequent numbness of the hands. Frequent numbness of the hands that is not easily relieved or recurring should be promptly consulted, and the doctor should be asked to clarify the specific cause and, if necessary, carry out the appropriate treatment.