Once eating, pooping is generally considered to be related to diseases such as irritable bowel syndrome or chronic colitis. 1. Irritable bowel syndrome: the patient’s digestive tract is highly irritable or the whole digestive tract is in a highly sensitive state, after eating due to the stimulation of the gastrointestinal tract by food, gastrointestinal peristalsis is too fast, resulting in the patient going to the toilet to relieve the bowel movement as soon as he eats. Patients need to take gastroenteroscopy and gastrointestinal imaging and other tests to clarify whether there is organic disease, and carry out causative treatment. 2. Chronic colitis: patients with chronic colitis are often caused by infection, immunity, mental and other factors of chronic inflammation of the colon, the patient’s intestinal environment is fragile, intestinal peristalsis is abnormal, in the dietary stimulation may also appear after eating want to defecate symptoms, which may be accompanied by abdominal pain, acute and post acute and severe symptoms. Of course, pooping after eating may also be caused by other factors, patients should consult a medical professional, improve the relevant examination, clarify the cause and timely treatment.