Cold fingers can be caused by cervical spondylosis, diabetes, Raynaud’s syndrome and other reasons. 1. Cervical spondylosis: When cervical spondylosis occurs, it can compress the brachial plexus nerve, resulting in symptoms such as cold fingers and numbness. At the same time, accompanied by dizziness, neck discomfort and other symptoms. 2. Diabetes mellitus: When long-term persistent blood sugar is elevated, it leads to lesions in the large blood vessels and microvessels, thus affecting blood circulation and leading to the symptoms of cold fingers and toes. 3. Raynaud’s syndrome: under the stimulation of cold, emotional and other conditions, the fingers appear cold symptoms. At the same time, it can also make the fingers or toes intermittently appear from white to purple and then become flushed performance. When the fingers are cold, it is recommended that attention should be paid to local warmth to avoid local cold stimulation. It is recommended to carry out appropriate exercise to increase blood circulation and improve microcirculation disorders. If the symptoms are serious, it is recommended to go to the hospital in time to avoid delaying the condition.