Constant stomach rumbling and diarrhea, that is, the presence of hyperactive bowel sounds and diarrhea. Common causes include: improper diet, irritable bowel syndrome, and bacterial dysentery. 1. Improper diet: when eating cold, moldy, rotten food, will lead to food bacteria and other pathogens on the intestinal mucosa caused by stimulation, resulting in gastrointestinal mucosal damage, gastrointestinal tract dysfunction, and then appear intestinal hyperacute, diarrhea, abdominal pain and other symptoms. 2. Irritable bowel syndrome: it is a common functional gastrointestinal disease, which is considered to be related to visceral hypersensitivity, heredity, emotional changes and other factors. Disease episodes can appear bowel sounds, diarrhea, usually diarrhea is persistent or intermittent, or diarrhea and constipation alternately. 3. Bacterial dysentery: It is an intestinal infectious disease caused by Shigella, which is mainly transmitted through the digestive tract. Common manifestations include abdominal pain, diarrhea, hyperactive bowel sounds, acute and severe symptoms, which can be transformed from dilute watery stools to mucus, pus and blood stools. As you can see, when the stomach is always grumbling and diarrhea, it is recommended to go to the regular hospital in time, to clarify the cause of the targeted treatment.