If the gastrointestinal upset is easy to have diarrhea, if it is caused by indigestion, medication such as domperidone, digestive enzyme preparation and dietary modification should be given; if it is irritable bowel syndrome, emotional and dietary adjustments should be made. 1. Indigestion: Slow gastrointestinal peristalsis, overeating, intolerance of greasy food can lead to indigestion, abdominal pain, diarrhea and other symptoms, you can take domperidone, digestive enzymes and other medications; diet should be small meals, avoid spicy and stimulating food, more light and easy-to-digest food, and so on. All of the above medications should be used under the guidance of a doctor, avoid self-medication. 2. Irritable Bowel Syndrome (IBS): Repressed life, work pressure and other reasons can cause IBS, this disease is not organic lesions, need to give psychological guidance and self-management of emotions to improve the disease, but also to develop good dietary habits, such as avoiding spicy and stimulating foods, etc., diarrhea is serious, can be used in the montelukast, probiotic preparations, and so on. If there are abnormal results of stool routine and other tests, it is recommended to consult a doctor in a timely manner to clarify the cause of the disease and carry out targeted treatment or therapy with the help of a doctor.