The elderly can not pass stool depends on constipation, or completely do not solve the stool, if completely do not solve the stool, consider the obstruction, to timely go to the hospital for systematic examination, to understand the obstruction site to give symptomatic treatment. If the constipation is frequent, lifestyle adjustment, diet adjustment and medication adjustment should be given for the cause of constipation, as follows: 1. Drink more water to avoid dry stools in the intestinal tract. 2. Adjust the diet structure, eat more coarse fiber food and fresh fruits and vegetables. 3. Develop the habit of regular bowel movement, get up early in the morning and go to the toilet in time. 4, Reduce the intake of high-protein food. 6.Strengthen exercise and give abdominal massage. 7.You can take oral diarrhea medication, such as Si Mo Tang Oral Liquid and Lactulose Oral Liquid.