Taking sesame oil can accelerate the speed of defecation, drink a normal amount of sesame oil after about 8 to 10 hours or so defecation. Fragrance oil is similar to lubricating laxatives, can play a laxative effect, can make the intestinal tract slippery, thus promoting the discharge of stool. Generally, a normal amount of sesame oil will cause a bowel movement in about 8 to 10 hours. Elderly patients can use lubricating grease to promote the discharge of stool, but long-term use will lead to a part of the fat-soluble vitamins malabsorption. Fragrant oil is good for defecation, but should not be taken in excess, so as not to affect the absorption of nutrients. For patients with constipation, especially elderly patients with constipation, the usual diet to avoid spicy stimulating food, eat more food rich in dietary fiber, drink more water, more exercise, which can promote gastrointestinal peristalsis, conducive to defecation. Severe constipation patients, it is recommended to go to the hospital, follow the doctor’s instructions oral lactulose, polyethylene glycol electrolyte bulk and other drugs, may have better results.