Hemorrhoidal bleeding with blood clots may be caused by excessive bleeding from internal hemorrhoids or lesions in the rectal as well as colonic areas. Internal hemorrhoids to painless blood in the stool as the main symptom, most of the cases are blood on the surface of the stool or blood dripping after the stool, mostly bright red blood, if the bleeding is large, due to the contraction of the anal sphincter muscle, the blood can not be discharged temporarily, the blood clots in the rectal cavity after the accumulation of the formation of blood clots, when defecating again, the blood clots can be seen to be discharged. Polypoid lesions or tumor-like lesions in the rectum and colon can also lead to blood clots during defecation, so patients need to undergo colonoscopy to observe whether it is bleeding hemorrhoids, and if it is a colorectal lesion, part of the tissues need to be stained and sectioned at the same time for pathological examination, in order to determine the benignity or malignancy of the local lesions. Hemorrhoidal bleeding with blood clots, it is recommended to go to the hospital in time for examination, a clear diagnosis, and give reasonable and standardized treatment as soon as possible to avoid aggravation of the condition, affecting the health of the body.