Cold back is not recommended to drink Gui Zhi Tang directly, should be diagnosed by a professional physician after the use of medication. The causes of back cold are many, Chinese medicine identification is mostly seen in the heart yang deficiency, spleen and stomach yang deficiency, wind-cold surface evidence and other types of evidence. It is necessary to identify the cause of the disease and choose the appropriate Chinese medicine or soup under the guidance of the doctor to add or subtract the right treatment, can not directly choose Gui Zhi Tang to regulate. Gui Zhi Tang has the efficacy of relieving the muscles and releasing (using sweating and other methods to make the evil qi trapped in the surface of the muscles to go out), regulating the camp and defense (making the body’s internal and external qi smooth, each in its own way). It is mostly used for the treatment of external wind-cold symptoms, post-disease, post-partum weakness resulting in fever and sweating, slight malignant wind-cold and other illnesses. If coolness of the back is also seen, Gui Zhi Tang may be chosen to regulate the condition as prescribed by the doctor. Adverse effects are not clear. Back coolness should be identified according to the usual condition, symptoms, tongue, pulse, and only after the identification of the appropriate drug treatment, should not be self-medication, so as not to delay the condition.