Plum diarrhea may be related to dietary impurity, overconsumption, and allergies. 1. Dietary impurity: If you eat spoiled plums, or eat uncleaned plums, it is easy to cause bacterial, viral or parasitic infections, resulting in gastrointestinal tract inflammation and diarrhea after eating. 2. Excessive consumption: plums are cool fruits, after consuming too many plums, it will be easy to cause gastric ulcers or gastritis and other diseases, and excessive consumption of gastrointestinal tract can not be normal digestion, metabolism and absorption of food and diarrhea. 3. Allergy: If the patient belongs to the allergic body or allergic to plums, after eating plums will be easy to have an allergic reaction and diarrhea, usually accompanied by an allergic reaction rash, numbness of the lips and mouth, severe allergy will be breathing difficulties. Plums eat diarrhea may have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.