Drinking milk diarrhea firstly exclude whether it is caused by drinking milk on an empty stomach. On an empty stomach, milk quickly enters the stomach, small intestine and large intestine, resulting in lactose not being easily absorbed, producing gas and acid in the intestine, stimulating the intestine and causing abdominal pain and diarrhea. So try not to choose to drink milk on an empty stomach. In addition, lactose intolerance, milk allergy, chronic gastroenteritis can also occur in the case of drinking milk diarrhea, should be dealt with in different situations. 1, lactose intolerance: because the body produces very little lactase, the gastrointestinal intolerance to lactose, resulting in lactose can not be digested in time, resulting in abdominal pain, diarrhea and other symptoms. Therefore, when choosing milk, try to choose yogurt, lactose-free milk or heat the milk before drinking. Also eat some alkaline foods to neutralize stomach acid and relieve symptoms, such as soda crackers, bread, steamed buns, etc.; 2. Milk allergy: Due to the patient’s sensitive constitution or abnormal immune response to milk, the patient may have allergic symptoms such as rash, elevated body temperature and shortness of breath in addition to diarrhea and abdominal pain after drinking milk. Should immediately stop drinking milk, if the allergy symptoms worsen, you can follow medical advice to take antihistamine treatment; 3, chronic gastroenteritis: due to damage to the gastrointestinal mucosa, after taking milk gastrointestinal burden increased, then patients are prone to abdominal pain, diarrhea and other symptoms, patients can use intestinal probiotics, gastric mucosal protective agents and anti-inflammatory drug treatment; 4, other: if the milk temperature is too low or drinking too much, can cause stimulation of the gastrointestinal This can lead to diarrhea. Patients can take antidiarrheal drugs to relieve symptoms at this time.