The main reasons why men are afraid of cold are anemia, low blood pressure, insufficient secretion of thyroid hormone, Yang deficiency, etc., as follows: 1, anemia: iron deficiency anemia affects the oxygen-carrying capacity of the blood, resulting in tissue metabolism disorders, producing insufficient heat, and it is very easy to feel the cold. 2, low blood pressure: people with low blood pressure have poor peripheral circulation, and it is also easy to appear at the end of the extremities cool, afraid of the phenomenon of cold. 3, thyroid hormone secretion Insufficient thyroid hormone secretion: resulting in slow metabolism, insufficient heat production, there will be the phenomenon of cold ends of the limbs. 4, Yang deficiency: Yang deficiency should pay attention to, with some of the seeds, cinnamon, cinnamon, Epimedium, a class of drugs to regulate and pay attention to the appropriate increase in exercise, exercise can make people’s metabolic ability to enhance the improvement of the internal organs of the function and pay attention to the warmth of the body, and if necessary, you can consider moxibustion.