Oil in the stool may be caused by greasy diet, which is normal, or it may be an abnormal manifestation caused by chronic pancreatitis, gastrinoma and other diseases, which is also known as steatorrhea. If the diet is too greasy in daily life, the defecation with oil due to the relatively high fat content of feces is usually normal if there are no other abnormal symptoms, such as abdominal pain, diarrhea and so on. Diet to reduce the intake of greasy food, eat more fresh vegetables and fruits, eat a light diet, usually can return to normal, do not need special treatment. If the bowel movement with oil, accompanied by increased stool frequency, abdominal pain and other symptoms, this situation is not normal, consider steatorrhea, most commonly seen in small intestine inflammation, chronic pancreatitis, gastrinoma and other diseases. If you have oil in your bowel movements, it is recommended that you seek medical attention, undergo a systematic examination to determine the cause of the problem, and follow the doctor’s instructions for treatment.