Eating bananas may cause diarrhea. If you eat a cold banana and eat more, it may cause diarrhea. Easy to diarrhea people eat bananas easy to diarrhea, usually constipated people appropriate to eat less bananas generally will not diarrhea. Banana is a fruit, containing a large amount of dietary fiber, can promote intestinal peristalsis, is conducive to laxative. Constipated patients can properly eat more bananas. Usually patients with diarrhea, chronic enteritis patients are not suitable to eat bananas. Eating bananas can not eat too much at one time, to avoid increasing the burden on the stomach and intestines. If eating bananas causes diarrhea accompanied by pain and vomiting, we should consult a doctor in time, not self-medication, and can not eat randomly to avoid aggravating the condition, and should be treated under the guidance of a physician’s interview.