The need to poop after eating may be due to too many meals or suffering from chronic enteritis, irritable bowel syndrome and other diseases, patients are advised to go to the hospital for a detailed examination, to clarify the cause of the disease, and then symptomatic treatment. 1. Eating too much: If the patient eats too much or overeats for a long time, it may also stimulate the peristalsis of the gastrointestinal tract. After the gastrointestinal tract peristalsis is accelerated, it will want to have a bowel movement. 2. Chronic enteritis: if the patient suffers from chronic enteritis after eating can, food may cause some stimulation to the gastrointestinal mucosa, which leads to the peristalsis of the gastrointestinal tract to accelerate. So the feeling of stool will appear. 3. Irritable bowel syndrome: generally due to long-term mental stress, overeating and other factors, caused by gastrointestinal dysfunction. The common symptom is the feeling of wanting to have a bowel movement after eating. If accompanied by other symptoms, it is recommended that patients go to the hospital for treatment in time to avoid delays.