The stomach is always grumbling but not hungry may be related to functional dyspepsia, mechanical intestinal obstruction, acute enteritis and other reasons, as follows. 1. Functional dyspepsia: patients may have the performance of stomach grumbling but not hungry, many people may also be accompanied by anxiety, insomnia and other mental symptoms, but perfect laboratory tests did not find a clear organic disease. 2. Mechanical intestinal obstruction: If it is because of mechanical intestinal obstruction, the patient will have stomach grumbling but not hungry, and may be accompanied by abdominal pain, vomiting, stopping defecation and other symptoms. 3. Acute enteritis: patients with acute enteritis will lead to increased intestinal peristalsis, hyperactive bowel sounds, the appearance of stomach grumbling but not hungry, accompanied by epigastric pain, nausea and vomiting, abdominal distension and other conditions. There are many other reasons why the stomach is always grumbling but not hungry, it is recommended to consult a doctor for a clear diagnosis and standardized treatment in accordance with the doctor’s instructions, so as not to delay the condition.