Drinking milk diarrhea is usually considered may be lactose intolerance, allergy, milk too cold, milk spoilage, intestinal flora imbalance. Usually stop taking milk and oral antidiarrheal and intestinal flora regulating drugs to solve the problem. 1. Lactose intolerance: some patients suffer from lactose intolerance, do not have the ability to digest and absorb lactose, milk lactose can be used as a hypertonic substance, stimulate the body to produce osmotic diarrhea, appearing to drink milk diarrhea. Lactose-free dairy products can be used instead. Such as yogurt, cheese. 2. Allergy: a part of the population may be allergic to a substance in milk, this allergy is mainly allergic to milk protein, which leads to diarrhea. It is recommended to choose non-allergic or hypoallergenic milk. 3. Milk is too cold, milk spoiled: milk is too cold or spoiled milk, will stimulate gastrointestinal peristalsis and cause power diarrhea. Choose fresh milk and drink hot milk. 4. intestinal flora imbalance: intestinal flora imbalance can also appear to drink milk diarrhea, it is recommended that under the guidance of the doctor to take bifidobacteria and other probiotics to regulate intestinal flora. If the symptoms of diarrhea are serious, you can take oral antidiarrheal drugs, such as montelukast granules, oral consumption may be constipation and other adverse reactions. There may also be other pathological factors that cause diarrhea when drinking milk, it is recommended to go to the hospital in time, complete the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.