The symptoms of cold in the case of cold may be caused by the following factors: 1, the body is weak after the cold, and the clothes are thin, so it will cause the phenomenon of cold, need to add appropriate clothes, the symptoms of cold will disappear. 2, fever after the cold, the blood circulation of the blood vessels on the surface of the body is poor will appear the symptoms of cold, but also may be due to the contraction of the blood vessels on the surface of the body and cause cold. 3, Chinese medicine believes that the symptoms of cold is caused by wind and cold invasion of the body surface, the patient will not only be afraid of cold, there will be bad wind and sneezing, runny nose and other symptoms, in the presence of such symptoms can take pungent warmth to relieve the symptoms of Chinese medicine treatment, such as Jing Fang granules.