A grumbling stomach when hungry is usually normal. If combined with bloating, abdominal pain and other conditions may indicate the presence of disease, such as enteritis, irritable bowel syndrome, intestinal mass, etc.. 1. Normal situation: hunger will promote gastrointestinal peristalsis enhancement, this situation. This is a normal physiological phenomenon, generally can disappear after eating. 2. Disease causes: such as enteritis can also have diarrhea, abdominal pain and other symptoms, mostly with a history of unclean diet; irritable bowel syndrome can also have abdominal distension, bowel sounds and other symptoms, mostly in the defecation or defecation to reduce; such as intestinal mass can be lethargy, fatigue, loss of appetite and other symptoms, and need to be clear with the help of colonoscopy, tumor markers and other tests. For the case of stomach grumbling when hungry, the doctor can analyze the specific cause, especially when it cannot be relieved after eating or accompanied by other uncomfortable symptoms.