Whether not having a bowel movement for a week is dangerous or not has to do with the specific condition of the patient. Prolonged absence of bowel movement may be caused by constipation, if the patient’s symptoms are not obvious, usually there is not much danger. If it is intestinal obstruction, polyps, tumors and other diseases caused by a week without bowel movement, you need to deal with it in time to avoid aggravation of the condition. 1. Constipation. Eating less, insufficient water in the body, lack of fiber, less exercise, mental factors will have an impact on the normal bowel habits, resulting in less fecal matter, less frequent bowel movements. If there is no other discomfort, generally not too serious, it is recommended to increase the amount of vegetables and fruits, relieve bad mood, if necessary, can follow the doctor’s advice to take lactulose and other laxatives to help improve. 2. Intestinal obstruction. A week without bowel movement, the patient appeared nausea and vomiting, abdominal distension, abdominal pain, stopping defecation and other manifestations, considering and acute intestinal obstruction. Acute intestinal obstruction, if not treated in time, may lead to dehydration, malnutrition, electrolyte disorders, decreased blood volume, and in severe cases, may lead to shock, it is recommended to hospitalize in time. 3. Intestinal polyps and tumors. Because of the huge intestinal polyps, intestinal malignant tumors and other intestinal narrowing of the intestinal lumen, will have an impact on the passage of stool, so we need to go to the hospital in a timely manner to improve the endoscopy and other examinations, to clarify the cause of the disease, and if necessary, to perform surgery to lift the obstruction, to avoid endangering the patient’s life and health. It is recommended that patients who have not had a bowel movement for a week should consult a doctor in time, and after completing the examination and making a clear diagnosis, they should be given targeted treatment.