Bleeding in the stool bright red without pain is considered to be due to internal hemorrhoids, rectal prolapse, rectal polyps and other causes, according to the different causes of the choice of Diosmin, Cephradine and other drugs treatment. 1. Internal hemorrhoids: the anal cushion is congested, resulting in hyperplasia and hypertrophy and displacement of internal hemorrhoids. The performance of bleeding during defecation is bright red, no pain. Drug treatment can be oral Diosmin, Mai Zhi Ling, etc., can enhance venous tension, improve microcirculation, to a certain extent, to reduce bleeding. 2. Rectal prolapse: the rectal wall is partially or completely displaced downward, resulting in rectal prolapse. The mass can be easily dislodged during defecation, causing sudden bleeding, which is bright red in color and usually painless. Oral medication can choose macrolides, such as erythromycin, spiramycin, etc., which can control the swelling by inhibiting the production of bacteria and thus reduce bleeding. 3. Rectal polyps: there are abnormal proliferative tissues on the rectum, when defecation due to stimulation of friction, polyp mucosal tissue breakage, appearing in the stool bright red painless blood. If the inflammatory polyp, you can take cefradine, amoxicillin and other anti-infective drugs to relieve the friction and stimulation of blood in the stool. If the polyp is large or tumor polyps, surgical removal is recommended. If the symptoms of bleeding in the stool bright red without pain, it is recommended to go to the hospital to find out the specific cause of the disease, do not self-medication, should be under the guidance of the doctor targeted treatment.