Diarrhea and abdominal pain after getting cold is considered to be the manifestation of functional gastrointestinal disease, intestinal spasm, acute gastroenteritis, usually can be treated by hot compresses and the application of antidiarrheal drugs, antispasmodic drugs, antibiotics and other medications. 1. Functional gastrointestinal diseases: such as irritable bowel syndrome, usually after catching a cold, or eating irritating food symptoms such as abdominal pain and diarrhea. You can apply hot compresses and drugs such as pivacurium bromide to relieve the symptoms. 2. Intestinal spasm: when stimulated by cold, there is a violent spasm of the intestinal tract, intestinal peristalsis accelerated, resulting in abdominal pain and diarrhea. You can also give hot water bags, oral 654-2 antispasmodic or montelukast and other antidiarrheal drugs treatment. 3. Acute gastroenteritis: cold body infected with bacteria, viruses, etc., due to pathogenic bacteria infection and dietary allergies, bacteria and viruses in the throat invasion of inflammation, that will be swallowed into the gastrointestinal salivary gastrointestinal discomforts, such as abdominal pain diarrhea symptoms. You can apply levofloxacin, amoxicillin, ribavirin and other anti-infective treatment, can also use montelukast to stop diarrhea. All of the above medications should be applied under the supervision of a doctor. If there are symptoms of abdominal pain and diarrhea, it is recommended to go to the hospital as soon as possible for formal treatment.