A drink of water on diarrhea may be caused by the water is relatively cool, but also may be caused by acute enteritis, irritable bowel syndrome and other diseases, as well as gastrointestinal colds and other diseases. 1. Physiological factors: If the patient drinks water that is cooler, drinking a lot of cool water may stimulate the gastrointestinal tract, resulting in accelerated gastrointestinal peristalsis, which leads to the phenomenon of diarrhea. 2. Acute enteritis: acute enteritis is mainly caused by bacteria, parasites, viruses and other pathogens, if the water is not clean or the patient’s resistance is weak, it may cause infection and diarrhea, abdominal pain, vomiting, nausea and other symptoms, but also myalgia, fever and other symptoms. If the patient’s condition is serious, symptoms such as dehydration may also occur. 3. Irritable bowel syndrome: the etiology and pathogenesis of irritable bowel syndrome have not been clarified, and it is considered to be the result of the patient’s bowel-brain interaction. The main symptoms of patients are abdominal pain, diarrhea, constipation, etc. Heartburn and fatigue may also occur. Significant diarrhea may occur as soon as water is consumed. Patients with symptoms of diarrhea when drinking water may also be gastrointestinal colds, bacillary dysentery and other diseases can also lead to, if it is caused by physiological factors, usually can be relieved on their own, do not need special treatment. If it is caused by disease, the patient should consult a doctor in time, and follow the doctor’s instructions for treatment.