The diarrhea is caused by the following conditions: 1. It is considered to be irritable bowel syndrome, which is related to the abnormal disorder of the patient’s intestinal function. 2. It may be caused by acute gastroenteritis, which is considered to be caused by the patient eating less clean food or more irritating food, such as eating too much chili, fatty and greasy food, cold food, etc. It needs to be treated with oral enteritis tablets, amoxicillin capsules, etc. 3. 3. diarrhea may be caused by indigestion of the patient. 4. it may be caused by the patient’s abdomen getting cold in the recent period, making the intestines irritated. If the symptoms of diarrhea are not very serious, you can take oral medication such as montelukast to stop the diarrhea, if the symptoms are more serious, it is best to go to the hospital for examination and treatment.