Defecation immediately after meals can be a normal phenomenon or a pathological phenomenon, which can be caused by gastrointestinal dysfunction, intestinal inflammation and other diseases. 1. Normal phenomenon: when the patient has a normal number of bowel movements and normal fecal character, it is a normal physiological phenomenon. Everyone’s defecation cycle is different, some people’s intestinal tract is more sensitive, food stimulation leads to gastrointestinal peristalsis accelerated, stimulating the production of defecation, this situation is a normal phenomenon. 2. Pathological phenomenon: If the patient has gastrointestinal dysfunction or intestinal inflammation and other diseases, intestinal peristalsis hyperfunction, after eating, food stimulation will make the original hyper peristalsis even more hyperfunction, resulting in the patient to produce a bowel movement phenomenon after eating, this situation is a pathological phenomenon. When the phenomenon of defecation immediately after meals, it is best to go to the hospital for medical examination, if there is a disease, timely treatment to ensure good health.