3 cm intestinal polyps can be completely removed. Intestinal polyps are lesions where the surface of the intestinal mucosa bulges into the intestinal lumen, and are often found during colonoscopy.3 cm intestinal polyps can usually be removed surgically, e.g., through colonoscopy through the anus or through abdominal surgery. Moreover, 3 cm intestinal polyps are relatively large and should be removed as early as possible and pathologically examined to avoid malignant changes and transformation into malignant tumors. If the pathological examination finds malignant changes, further anti-tumor treatment is also needed according to the results of pathological report. Such as radiotherapy, chemotherapy (5-FU, furanuridine, etc.). Patients with intestinal polyps should pay attention to a reasonable combination of diet, to ensure that the nutrition is rich and balanced, you can eat more vegetables, fruits. You can eat more vegetables and fruits. You should also strengthen your physical exercise according to your physical condition to enhance your immunity. After the removal of 3 cm intestinal polyps, patients need to go to the hospital regularly to check the recovery of the body and the recurrence of intestinal polyps.