Diarrhea after eating in the morning may be caused by bad eating habits, irritable bowel syndrome or chronic colitis, which can be relieved by general treatment and oral medication. 1. Bad eating habits: If you eat too cold and greasy food in the morning, you are likely to have diarrhea after eating, usually pay attention to the dietary rules, meat and vegetables reasonable combination. 2. Irritable bowel syndrome: mainly due to visceral hypersensitivity, abnormal gastrointestinal dynamics, intestinal infections or intestinal microecological imbalance caused by, can be manifested as diarrhea after eating, fatigue, urinary frequency, urinary urgency, etc., clinically, it can be treated by oral scopolamine, pivotalinium bromide or orpiment bromide and other drugs. 2. Chronic colitis: may be due to long-term mental and psychological tension, genetic factors, intestinal immune dysfunction, etc., can be manifested as diarrhea after eating, mucus stool, pus and blood stool, weight loss, etc., clinically can be treated by oral atropine, scopolamine and other drugs. When the symptoms of diarrhea in the morning after eating, it is recommended that the patient go to the hospital in time, after clarifying the cause of the disease, under the guidance of a professional doctor for standardized treatment.