48-year-old man cold body is mostly due to the deficiency of Yang Qi, can not normal warm internal organs and meridians lead to, can also be caused by the deficiency of blood and Qi powerless to moisten. Huangdi Neijing” mentioned husband “six eight, yang gas failure on the face, face coke, hair sideburns white”, that is, men around 48 years old, yang gas began to decline, the function of internal organs attenuation, this time the kidney yang insufficiency (lack of yang of the kidneys), yang qi deficiency, internal organs and meridians to lose the normal warmth, there will be afraid of cold, cold, cold and cold, cold and other symptoms of the body. In addition, such as prolonged illness and treatment makes the qi and blood deficiency, the operation is not normal, the body loses the moistening can also appear. Around 48 years old man appeared body cold although more consideration of yang deficiency and other causes, but the clinical should also be combined with the actual situation of evidence analysis, should not be arbitrarily judged and disposed of.