Wanting to go to the toilet after having a full meal may be caused by improper diet, irritable bowel syndrome, chronic inflammatory bowel disease, and other diseases such as intestinal flora disorder. 1. Improper diet: If the patient consumes too much greasy and stimulating food in daily diet, such as fatty meat, lard, chili peppers, etc., it may lubricate and stimulate the gastrointestinal tract, leading to the phenomenon of wanting to go to the toilet after eating a full meal. 2. Irritable Bowel Syndrome (IBS): The etiology and pathogenesis of IBS are not yet clear, and it is considered to be caused by a variety of factors such as diet and immunity. The main symptoms of patients are abdominal pain, diarrhea, etc. The diarrhea symptoms of patients mostly appear in the morning or after meals. 3.Chronic enteritis:Chronic enteritis is caused by acute enteritis or repeated episodes, patients will have diarrhea, abdominal pain, abdominal distension and other symptoms, chronic enteritis will lead to patients want to go to the toilet after eating a full meal phenomenon. 4. Other: intestinal dysbiosis, dyspepsia and other diseases can also lead to the performance of patients wanting to go to the toilet when they are full. When patients have the symptom of wanting to go to the toilet after eating a full meal, it may be caused by improper diet and does not need treatment. If it is caused by a disease, patients need to consult a doctor in time and follow the doctor’s instructions for treatment.