Gurgling in diabetic patients after drinking milk may be a physiological phenomenon, or it may be lactose intolerance, acute gastroenteritis and other reasons. 1. Physiological phenomenon: normal peristalsis of the intestinal tract due to the interaction of intestinal gases and liquids can produce intestinal sounds, especially after eating intestinal sounds are more pronounced, such cases may be normal physiological phenomenon after drinking milk stomach gurgling. 2. Lactose intolerance: due to the lack of lactase enzyme that digests lactose, abnormal gastrointestinal motility after drinking milk can cause diarrhea, abdominal pain, abdominal distension, etc., which is manifested as the symptom of stomach grumbling. 3. Acute gastroenteritis: eating expired or spoiled milk may cause acute gastroenteritis, followed by increased gastrointestinal motility, accompanied by nausea, vomiting, diarrhea and so on. After drinking milk, the stomach grumbles, such as has not been relieved, it is recommended to go to the hospital.