Diarrhea immediately after eating fruits is mainly considered to be caused by eating fruits that are too cold and fruits that are not fresh and clean. 1. Fruits are too cold: after eating cold fruits, it will lead to sudden spasm of the gastrointestinal tract as well as dysfunction, which will result in abdominal cramps and pain and diarrhea. 2. Fruit is not fresh: if the fruit is not fresh or not washed, eating fruit may be accompanied by bacteria, after eating will lead to gastrointestinal tract infection, intestinal flora imbalance, diarrhea, abdominal pain and other symptoms. When the situation of diarrhea immediately after eating fruit, it is recommended to consult a doctor in time, under the guidance of the doctor.