The causes of cold bones are commonly found in the following: First, lower limb vascular disease: occlusive vasculitis, mostly due to narrowing or occlusion of the arteries in the lower limbs, can cause a reduction in the arterial blood supply to the lower limbs, often resulting in cold and painful sensations in the lower limbs, and fear of cold and chilly joints. Second, intermittent claudication: the condition of cold bones is also seen in vascular intermittent claudication, that is, after walking a certain distance there will be pain in the lower limbs, can no longer continue to walk, to rest for a moment before you can continue to walk. Third, degenerative osteoarthritis: consider degenerative osteoarthritis of the joints, in the arthritis will appear localized fear of cold, fear of cold, under the stimulation of cold, often also cause increased inflammation of the joints, as well as increased pain.