Watery stools and gurgling stomach with smelly burps may be caused by gastrointestinal infections, gastrointestinal disorders, irritable bowel syndrome and other reasons. 1. Gastrointestinal infection: usually caused by improper diet and bacterial or viral infection. As bacteria and their toxins or viruses attack the intestinal mucosa, resulting in congestion and edema of the intestinal mucosa, secretion of a large amount of mucus, and diarrhea. Increased intestinal peristalsis may lead to a gurgling sound from the stomach, which may also lead to the symptom of smelly burps. 2. Gastrointestinal tract dysfunction: usually caused by unclean diet, overeating, irregular lifestyle and other reasons lead to gastrointestinal tract dysfunction, intestinal flora imbalance, harmful flora increase, increased gas production, leading to intestinal motility enhancement, which in turn led to the emergence of watery stools and gurgling tummy hiccups symptoms. 3. Irritable bowel syndrome: it is a functional bowel disease caused by stress, psychological and mental state and other factors, can appear diarrhea and bloating, abdominal pain, belching, intestinal sound enhancement and other symptoms, so it can be manifested as a watery stool tummy gurgling and smelly burp. If you have a watery stomach gurgling hiccups, it is recommended to go to the regular hospital in time to find out the cause and actively treat it.