Feeling cold on the body can be attributed to the Chinese medicine “bad cold (fear of cold)”, “fear of cold” and other symptoms of the category, feeling cold on the body may be related to the lowering of the temperature, underdressed, hungry, nervous and other physiological factors, but also may be related to the deficiency of yang qi, qi and blood weakness, and other pathological factors. It may also be related to pathological factors such as deficiency of yang energy and weakness of qi and blood. 1. Physiological factors. When the symptoms of coldness appear, the possibility of physiological factors should be considered first. The common ones include too low temperature in the outside environment, too little clothing to resist the wind and cold, excessive hunger or too much mental tension, etc., all of which can lead to the manifestation of fear of cold. 2. Pathological factors. First of all, yang qi deficiency, yang qi insufficiency, the body loses warmth, the ability to resist the external evil decreases, often appear the performance of the body afraid of cold; secondly, a variety of causes lead to qi and blood weakness, can not promote the nutrient distribution in the body of the internal organs, there will be a cold body, fatigue and other symptoms. When the body feels cold symptoms, especially those caused by pathological factors, should seek medical treatment as soon as possible.