The causes of coldness are generally Yang deficiency, intestinal deficiency and slippery diarrhea, wind-cold and cold, etc., which need to be analyzed on a case-by-case basis. 1. Yang deficiency: refers to the lack of human yang qi, warming function is weakened and a series of clinical symptoms, generally by the diet, living in a cold place, old age and chronic diseases, etc., can be manifested as fear of cold, low temperature of the hands and feet, pale or gray-black and so on. 2. Slippery diarrhea syndrome of intestinal deficiency: also known as cold deficiency syndrome of the large intestine, mainly manifested as fecal incontinence, prolapse of the anus, vague abdominal pain, fear of cold and fatigue (dysphoria) and so on. 3. Wind-cold and flu: If you have wind-cold and flu, you may have the manifestation of coldness (fear of cold), which leads to coldness of the whole body and fear of cold. There are many causes of cold fear, and treatment should be based on the evidence under the guidance of a doctor to prevent delay in the condition. At the same time, you should avoid staying in a cold environment for a long time and pay attention to keeping your abdomen warm.