The causes of butter liquid in the stool are as follows: 1, taking lipase inhibitors: the most common is taking lipase inhibitors, food fat can not be decomposed and absorbed, in the form of fat from the intestinal tract, this situation can be relieved by stopping the drug or avoiding a high-fat diet. 2, digestive system diseases: consider indigestion, small intestine or colorectal lesions, as well as intestinal mucosa damage, intestinal digestion, poor absorption function, patients are prone to steatorrhea. Patients are prone to steatorrhea. 3, gallbladder removal: Patients are prone to steatorrhea because they do not have gallbladder to store bile, and when they eat high oil food, they do not have enough bile to lipidate the fat in the intestine. The presence of fats in the stool indicates that the patient has gastrointestinal dysfunction, with farting and oil spraying. Patients are advised to eat a light diet, give soft, easily digestible food, and not to eat too much. If necessary, go to the hospital for gastroscopy to make a clear diagnosis to exclude organic lesions.