Bowel polyps of 3 millimeters are not necessarily 100% benign. Bowel polyps of 3 millimeters are currently relatively small in size, bowel polyps in most cases are benign, but it is not 100% certain that it is a benign disease, there is also a certain tendency to malignant changes. Whether they are benign or malignant, they should be treated with surgery as soon as they are detected. Intestinal polyps are generally categorized into adenomatous polyps and non-adenomatous polyps, with adenomatous polyps being more likely to be malignant than non-adenomatous polyps. Generally, intestinal polyps are found under colonoscopy, and polyp removal is carried out at the same time. In order to exclude malignant changes after surgery, pathological tissue biopsy can be done, and if malignant changes occur, further treatments, such as radiotherapy, chemotherapy, etc., may be needed after surgery to avoid tumor recurrence and metastasis. 3mm intestinal polyps must be timely with the doctor’s treatment, postoperative regular review.