89 year old man with bowel cancer, dizziness, bloated stomach without bowel movement at meal, consider the possibility of intestinal obstruction, suggest to seek medical treatment, can be laxative enema or surgical treatment. Bowel cancer is a malignant tumor of intestines, the growth and infiltration of tumor can easily cause intestinal stenosis. Elderly patients, the intestinal function is relatively weakened, when combined with intestinal cancer, the gastrointestinal function further declines, and intestinal peristalsis will be weakened. When diet is followed by intestinal stenosis and weakened intestinal peristalsis, it will cause blockage of intestinal waste and trigger intestinal obstruction. Elderly patients, when intestinal cancer complicating intestinal obstruction occurs, it can be manifested as no stool discharge after diet, abdominal distension, dizziness and other symptoms. It is recommended to seek medical treatment and improve abdominal CT, which can clarify the diagnosis. Enema treatment can be attempted first, and the enema solution that can be used includes glycerin enema, saline, soapy water, etc. If the intestinal obstruction is successfully relieved, then routine rehydration and symptomatic supportive treatment will be carried out. If the enema treatment is ineffective and fails to relieve the intestinal obstruction, further cardiac ultrasound, chest CT, electrocardiogram, liver and kidney function should be performed to determine the cardiopulmonary function of the patient’s body, and to assess whether the patient can tolerate anesthesia, surgery, and so on. After comprehensive evaluation and weighing the pros and cons, surgical treatment can be performed as appropriate, including removal of the obstructed necrotic intestinal tubes and intestinal tumors, etc., to relieve the obstruction. Specific enemas and other treatments need to be carried out under the operation of medical professionals, and it is recommended to seek timely medical treatment to avoid delay in treatment.