Patients excreting oil in the stool, the reasons are as follows: 1, taking lipase inhibitors: the fat in the food can not be broken down and absorbed, in the form of grease from the intestines, such a situation can be relieved by stopping the drug or avoiding a high-fat diet.2, dyspepsia: lesions of the small intestine, colon and rectum, as well as intestinal mucosal injury, intestinal digestion, absorption function is poor, the patient is prone to lipodystrophy.3, removal of the gall bladder: because there is no gall bladder Storage of bile, when eating high oil food, there is not enough bile to esterify the fat in the intestine, also prone to steatorrhea. The oil in the stool indicates that the patient’s gastrointestinal function is poor, and the phenomenon of farting and spraying oil will occur. It is suggested that the patient should have a light diet, give soft and easy-to-digest food, and should not be overfilled, and go to the hospital for a gastroenteroscopy if necessary to rule out any organic lesions.