The symptoms of blood in the stool after colonoscopy may be caused by the patient’s own hemorrhoids or by accidentally injuring the intestines during the colonoscopy. If there are hemorrhoids in the stool is extremely easy to bleed, blood will adhere to the surface of the stool, pay attention to a light diet do not eat irritating food, so as not to easily cause fire to make the phenomenon of blood in the stool aggravated. You can also apply topical hemorrhoid ointment to treat hemorrhoids, and the bleeding can be significantly improved after 2-3 days. If the blood in the stool is caused by damage to the intestines during a colonoscopy, you need to pay attention to the hygiene and reasonableness of your diet, and you can also take medications that can stop the bleeding in the intestines. If the situation still does not improve, you should go to the hospital in a timely manner, to achieve a reasonable diet plus drug-assisted treatment, will make a significant improvement in the situation of blood in the stool.