Usually men have cold hands and feet, firstly, from the perspective of Chinese medicine, they are physically weak, and men often have cold hands and feet due to kidney deficiency, qi deficiency and blood deficiency. Second, from the perspective of Western medicine, cold hands and feet in men belong to endocrine metabolic diseases are common. Common diseases are hypothyroidism, adrenal cortical insufficiency and lead to the. Third, men with cold hands and feet are usually the result of peripheral nerve dysfunction and peripheral circulation disorders. In patients with less developed distribution of peripheral capillaries, the above clinical symptoms and reactions will occur. Third, in patients with inadequate blood supply to the large arteries, especially to the coronary arteries of the heart and to the vertebrobasilar arteries of the brain, there is a lack of blood flow, especially cold hands and feet. Fourth, in the case of severe infection, clinical symptoms such as wet and cold extremities, fine and rapid pulse, unmeasured blood pressure, pallor, and peripheral weakness may also appear.