Cold feet of men may be caused by physiological factors, arteriosclerotic occlusion or thrombo-occlusive vasculitis. 1. Physiological factors: the surrounding environment temperature is too low, too little clothing and other reasons can cause men’s lower extremities cold, strengthen the warmth of the symptoms will improve. 2. Atherosclerotic occlusion: related to hyperlipidemia, hypertension, smoking and other factors, atherosclerotic plaques and secondary thrombosis of the arterial endothelium of the lower extremities, resulting in narrowing of the lumen, causing ischemia of the lower extremities, resulting in cold lower extremities. 3. Thromboembolic vasculitis: related to smoking and autoimmune dysfunction, inflammatory lesions in the arterial vasculature, resulting in narrowing of the lumen, causing ischemic changes in the lower extremities, such as cold lower extremities, pale. Men with cold feet may also be other reasons, should go to the hospital in a timely manner to improve the examination, clear cause of the disease to give targeted treatment.