Usually the blood flow after stool with blood clots may be due to hemorrhoids, rectal polyps, lower gastrointestinal bleeding and so on, generally available drugs or surgery and other ways to treat. 1. hemorrhoids: hemorrhoid patients constipation, triggered by dry stool extrusion, friction caused by hemorrhoidal core damage, local blood vessel rupture bleeding, can appear after the discharge of fresh blood or with blood clots. 2. Rectal polyps: rectal polyps are a new growth of intestinal mucosa, the surface is covered with rich capillaries. When the dry and hard stool is discharged, the burr blood vessels on the surface of the polyp are squeezed and rubbed, resulting in rupture and bleeding, and the blood is fresh in color and may be accompanied by blood clots. 3. Lower gastrointestinal bleeding: Lower gastrointestinal bleeding is usually caused by colorectal tumors, ulcers, etc. It is recommended that the patient consult a doctor for examination in time and cooperate with the doctor for treatment after clarifying the specific site of bleeding. Other conditions can also lead to fresh blood with blood clots after bowel movement, it is recommended that the patient consult a doctor in time to clarify the cause of the disease and then carry out the corresponding treatment under the guidance of the doctor.