Diarrhea and hiccups may be caused by indigestion, acute gastroenteritis and other factors. 1. Indigestion: Indigestion is usually stimulated by a variety of factors, resulting in a decline in the digestive function of the gastrointestinal tract, so that the food can not be completely digested, absorbed, etc., so the symptoms of diarrhea and hiccups may occur. 2. Acute gastroenteritis: acute gastroenteritis may be infected by viruses or bacteria, resulting in abdominal distension, abdominal pain and diarrhea and other symptoms, so acute gastroenteritis may lead to diarrhea and hiccups. Patients with diarrhea and hiccups may also be caused by gastrointestinal neurosis and other diseases, it is recommended to consult a doctor in a timely manner to clarify the cause and to carry out targeted treatment.