The main reasons for diarrhea after intake of porridge are as follows: 1. Non-infectious diarrhea: Some patients with poor gastrointestinal function can develop diarrhea after eating porridge rich in dietary fiber such as mung bean porridge, lotus seed porridge, pumpkin porridge and sweet potato porridge, because food rich in dietary fiber can promote gastrointestinal peristalsis, followed by diarrhea; 2. Infectious diarrhea: If there is bacterial and viral contamination in the process of cooking porridge Diarrhea can occur after eating. Infectious diarrhea is also divided into viral and bacterial infections, bacterial infection diarrhea can be seen in the stool routine white blood cells, in addition to oral salt rehydration solution, but also need to be treated with antibiotics to relieve the symptoms. If you have a history of unclean diet before drinking porridge and clinical manifestations appear only after drinking porridge, you need different treatment according to different situations. It is recommended to seek medical attention in time to clarify whether it is infectious diarrhea or non-infectious diarrhea.