Cold legs and stomachs are considered to be caused by insufficient blood supply to the lower extremities, that is, arterial stenosis or spasm, which commonly occurs in elderly patients with lower extremity atherosclerosis-occlusive disease. Especially if you have basic hypertension, usually smoke for years, it is easy to lead to vascular spasm, and even atheromatous plaque formation in the lumen, stenosis will lead to insufficient blood supply to the distal extremities, the patient will also manifest as coldness and numbness in the distal extremities, and the symptoms will be aggravated after activity, you should systematically treat, pay attention to limb warmth, and stay away from the environment of tobacco and alcohol. CT angiography can reveal segmental distribution of lesions, and vasodilator drugs should be given systematically. The CT angiography can reveal the segmental distribution of the lesion, and systemic vasodilator drugs should be given.