Diarrhea is diarrhea, the stomach is cold on the diarrhea may be gastrointestinal dysfunction, intestinal infections, irritable bowel syndrome and other factors. 1. Gastrointestinal dysfunction: a cold abdomen will lead to faster intestinal peristalsis, resulting in gastrointestinal dysfunction and diarrhea symptoms. 2. Intestinal infections: the cold will lead to changes in the bacteria in the stomach and intestines, especially harmful bacteria overpopulation, resulting in the intestinal system is infected with inflammation, the inflammation will cause stimulation of the intestinal mucosa, causing intestinal peristalsis to speed up, the symptoms of diarrhea. 3. Irritable bowel syndrome: the gastrointestinal tract of patients with irritable bowel syndrome is in a highly sensitive state, and a cold stomach can easily cause gastrointestinal peristalsis to accelerate, leading to diarrhea. There are other causes of diarrhea after the stomach is cold, if the symptoms persist or worsen, it is recommended that the patient go to the hospital in a timely manner, under the guidance of the doctor for treatment.