Diarrhea usually refers to diarrhea. Diarrhea when eating cold food may be caused by other reasons such as acute gastroenteritis, irritable bowel syndrome, chronic colitis, and intestinal flora dysbiosis. 1. Acute gastroenteritis: Acute gastroenteritis may be caused by eating a large amount of cold or overheated food, or by bacterial or viral infections. Patients will have symptoms such as abdominal pain, nausea and vomiting, and abdominal pain. If the patient has acute gastroenteritis, it will manifest as diarrhea as soon as he eats cold food. 2. Irritable bowel syndrome: the cause of irritable bowel syndrome is not yet clear, and it is considered to be caused by visceral hypersensitivity, abnormal gastrointestinal dynamics, and intestinal infections. Patients will have diarrhea, abdominal pain, constipation and other manifestations. Generally, patients with irritable bowel syndrome are prone to food intolerance, and some of them may have diarrhea once they eat cold food. 3. Chronic colitis: Chronic colitis may be caused by unhealthy diet, intestinal immune dysfunction, mental stress and so on. Patients will manifest abdominal pain, diarrhea, etc. Therefore, chronic colitis patients eating cold food may stimulate the intestinal tract, and patients will have diarrhea. Patients eat cold food on the diarrhea may also be caused by intestinal flora dysbiosis, it is recommended that patients eat cold food on the performance of diarrhea need to consult a doctor in a timely manner, you can follow the doctor’s advice to choose the appropriate measures for treatment.