The 1.5cm flat polyp in the ileocecal region is generally a benign hyperplasia of the colon, but malignant changes cannot be ruled out, and a pathology examination is needed to determine the nature of the polyp. Intestinal polyps are caused by genetic factors, dietary factors, or inflammatory stimuli, 1.5 cm is relatively large, but generally does not cause intestinal obstruction and other symptoms, can be surgically resected under the guidance of the doctor. Colon polyps generally have no obvious symptoms in the early stage, with the severity of the disease may appear diarrhea, abdominal distension and other symptoms, there is a certain chance of malignant changes, and polyps are generally more fragile texture and rich blood supply, the larger the more likely to bleed, so you can be early for surgical treatment. In daily life, eat less spicy and stimulating food to avoid stimulation of the gastrointestinal tract, eat more fresh fruits and vegetables, no smoking and no alcohol, regular review.