If you eat a lot of food but do not have bowel movement, you should mainly consider intestinal obstruction. Intestinal obstruction is often manifested as abdominal pain, abdominal distension, vomiting, and no bowel movement. Patients are advised to improve abdominal standing films and abdominal CT examinations to clarify the mild, moderate, and severe intestinal obstruction. In addition, there are patients with chronic constipation, often appear to eat a lot of things but no bowel movements, the patient does not have other discomfort. At this time, the patient can be advised to take appropriate laxatives for laxative treatment. Once the patient eats a lot but does not have a bowel movement, it is recommended that the patient further visit the hospital to improve the abdominal standing film and abdominal CT examination. In case of more serious intestinal obstruction, the patient should be hospitalized for further treatment to clarify the cause of the obstruction.