Eating bananas diarrhea is because bananas can promote gastrointestinal peristalsis, but also because the patient’s gastrointestinal function is not good. 1. Intestinal peristalsis accelerated: bananas contain a large amount of dietary fiber can promote gastrointestinal peristalsis, eating more bananas will be easy to gastrointestinal peristalsis accelerated to promote defecation, resulting in more frequent stools, diarrhea. In this case, it is recommended not to continue to eat bananas. 2. Poor gastrointestinal function: poor gastrointestinal adaptability, coupled with eating bananas is prone to diarrhea. People with poor gastrointestinal function should pay attention to the diet should not eat cold food, do not eat cooler fruits and vegetables. It is recommended that patients who eat bananas with diarrhea go to the hospital in a timely manner, and actively treat the condition to avoid the continued development of the disease, and patients should not blindly take medication.