The presence of diarrhea is suggested by four to five bowel movements a day, and is related to diet, medication, and disease. Dietary reasons include getting cold, eating irritating food, etc.; medication reasons include taking laxatives, adverse reaction to medication, etc.; and disease reasons include acute enteritis, ulcerative colitis, irritable bowel syndrome, etc. 1. Life and diet: such as cold, eating irritating food, etc., can lead to increased intestinal peristalsis, decreased absorption function, resulting in symptoms of diarrhea. 2. Drugs: such as taking laxatives can lead to diarrhea symptoms, and in severe cases, it can lead to dehydration; such as metformin, rifampicin, antibiotics and other adverse reactions to drugs, diarrhea symptoms can also occur. 3. Diseases: such as acute enteritis can have abdominal pain, bloating, watery stools and other symptoms; such as ulcerative colitis can have mucus, pus and blood stools, diarrhea and constipation alternately and other symptoms; such as irritable bowel syndrome can have mood changes, intestinal sounds and other symptoms. For patients who have bowel movements 4 to 5 times a day, it is recommended to go to the hospital in time and choose the appropriate treatment and medication under the guidance of the doctor.