Bleeding again half a month after the removal of intestinal polyps may be due to blood seepage from the incision, wound infection, hemorrhoids and so on. 1. Incision blood seepage: intestinal polyp resection surgery will leave a surgical wound, half a month time may be fully recovered, the patient to carry out strenuous activities or consume stimulating food will lead to stimulation of the surgical site, thus causing blood seepage occurs. 2. Wound infection: after surgery, improper care can easily cause bacterial infection, patients will experience abdominal pain, fever, bleeding from the infected area. 3. Hemorrhoids: hemorrhoids rupture will also cause patients to bleed in defecation, patients will also have anal pain, anal itching and hemorrhoid prolapse and other symptoms. After the intestinal polyp resection surgery, there is discomfort, should promptly consult a doctor.