Rectal irregular swelling bleeding may be malignant tumor rupture as well as benign tumor bleeding, and may be caused by hemorrhoids, proctitis and other diseases. 1. Rectal tumor: can cause rectal irregular mass, stool excessive friction mass can be broken bleeding, at the same time can be accompanied by short-term loss of weight, weakness, anemia and other malignant quality. 2. Hemorrhoids: hemorrhoids is the end of the rectum anal cushion due to infection, hypertrophy, perianal veins have thrombosis, fecal peristalsis friction rupture and lead to bleeding when stool phenomenon. 3. Proctitis: enteritis is a bacterial or viral infection of the intestinal mucosal wall, triggering inflammation, resulting in irregular edema of the intestinal mucosa, usually abdominal pain, and stool with a large amount of blood, or mucus blood stools, which can lead to fecal incontinence and bloody diarrhea. Irregular rectal swelling bleeding is also seen in other causes, should consult a doctor in time, under the guidance of a professional doctor standardized treatment, in order to avoid delaying the condition.