It is usually okay to drink hot milk when you have diarrhea. If diarrhea occurs, it may be caused by catching a cold or indigestion, and sometimes food poisoning can also occur. Diarrhea may have symptoms such as watery diarrhea and dysentery-like diarrhea, which can be treated with medication and probiotics to regulate the stomach and intestines, and during diarrhea, you must pay attention to the abdomen to keep it warm and do not catch a cold. And in the usual diet should also pay attention to, eat more food with high nutritional value and easy to digest, so as not to stimulate the stomach and intestines, and in the usual life should pay attention to their own personal hygiene, more exercise to exercise, enhance physical fitness.