Occasional bright red blood in the stool without pain is something that needs to be examined and treated promptly. Examination is preferred to e-colonoscopy to understand the site of the lesion and the cause of the blood in the stool. Consider hemorrhoids as the color of the hemorrhoid cluster is bright red when it bleeds. In the early stages of hemorrhoids, the main feature is bleeding during defecation, blood cannot be mixed with stool, there is no pain, only when the condition of hemorrhoids gradually worsens, there will be a feeling of foreign body, itching and pain in the anus, the frequency of bleeding will increase, and the amount of bleeding will also increase. If treatment is not carried out in a timely manner, anemic symptoms may occur in the long run. It is possible that the early stage of anal fissure was not treated effectively, leading to old anal fissure, which may appear as blood during defecation, bright red in color, but without pain. It may also be caused by an enlarged anal papilla or anal fistula, which requires prompt examination and treatment at a hospital. If it is a colorectal tumor or polyp, it needs to be treated promptly.