Cold hands and feet in men may be caused by certain physiological reasons, or may be caused by certain diseases that cause symptoms, such as hypothyroidism, heart failure, etc., and should be promptly consulted to identify the cause of the disease. 1. Physiological factors: often blowing air conditioning, in the humid and cold weather, so that vascular constriction, blood reflux ability to weaken, coupled with insufficient exercise, poor blood circulation, may lead to cold hands and feet. 2. Pathological factors (1) Hypothyroidism: due to autoimmune damage, thyroid destruction, iodine deficiency, etc., patients with hypothyroidism may have low metabolic symptoms, mainly manifested as fear of cold, less sweat, easy to fatigue, etc., due to poor blood circulation and reduced heat generation, body temperature is generally lower than normal, and cold hands and feet may occur. (2) Heart failure: due to decreased cardiac output, reduced tissue blood perfusion, pulmonary circulation or venous stasis in the circulation, heart failure can lead to symptoms of cold hands and feet, mostly accompanied by fatigue, palpitations, cough, chest pain, dyspnea and other symptoms. In addition, Raynaud’s syndrome and other diseases can also lead to the symptoms of cold hands and feet in men, but this symptom alone is not enough to diagnose the disease, you should promptly consult the doctor, improve the relevant examination, if necessary, by the doctor for targeted treatment.