Blood in the stool is a symptom, not a specific disease. Bleeding from any part of the digestive tract can cause blood in the stool. In addition to bleeding from the gastrointestinal tract, it can also include bleeding from the mouth, esophagus, biliary tract, anus, etc. The color of the blood in the stool is closely related to the location and speed of the bleeding. The color of the blood in the stool is closely related to the location and speed of the bleeding. Usually, bright red blood comes from the lower gastrointestinal tract. In fact, when blood is discharged from the anus, it does not always have to be bright red. As long as there is bleeding in the digestive tract and the color of the stool ranges from bright red to dark red or even black (tarry black stool), it is called blood in stool. The problem of blood in the stool can be big or small, the key is to find out the cause As blood in the stool is the most common symptom of hemorrhoids, it will lead to some friends “see a lot of not strange” and ignore a common cause of blood in the stool – colorectal cancer, we have seen many patients mistaking blood in the stool as hemorrhoids and delaying the diagnosis and the best time for treatment. So is blood in stool hemorrhoids? Or is it cancer? —To the regular hospital for anal diagnosis or colonoscopy can distinguish. Of course, you can also distinguish it by some simple methods: 1. Colorectal cancer: Most of the blood in stool of colorectal cancer is dark red, usually mixed with stool, which manifests itself as continuous and unequal amount of bleeding, and in middle and late stages, pus and blood in stools may appear. In addition to the symptom of blood in stool, the change of stool habit is also a typical symptom, such as thinning of stool and increase in frequency, etc. One should be alerted and go to regular hospitals for corresponding examination. Hemorrhoids: blood in stool usually occurs after defecation, in the form of dripping or spraying, with bright red color, and the blood is not mixed with feces; the amount of bleeding caused by hemorrhoids varies from intermittent bleeding in feces to bleeding in feces in some cases, or bleeding in feces in serious cases. Tumor treatment is concerned about early detection, active colonoscopy, anal fingerprinting examination can greatly improve the early detection rate of colorectal cancer, encourage people over 45 years old to have at least one colonoscopy. It is because the treatment effect of early detection can be very good and even cure the tumor. Simply speaking, if colorectal cancer is detected in early stage, the survival period can reach 5-20 years or even lifetime; if it is detected in the middle stage, the survival period is mostly in 3-5 years; if the bowel cancer has already developed to the advanced stage, the general survival period ranges from 8 months to 1 year. It is not good to avoid checking because of the fear of tumor, and it is not good to delay until the symptoms are obvious and then forced to go for checking, which may be advanced stage. Therefore, when there is blood in the stool, change in bowel habits, weight loss, unexplained anemia and other symptoms, we must go to the regular hospital in time, and as a general health checkup encourages people over 45 years of age to have at least one colonoscopy. Of course there are many causes of blood in the stool, such as: anal fissure, intestinal large polyps, ulcerative colitis, Crohn’s disease, such as mesenteric thrombosis. The purpose of this article is to remind you that you should not simply assume that blood in the stool is a recurrence of hemorrhoids, as many other causes and diseases can also lead to blood in the stool, and you should find the root cause of the problem and then carry out regular treatment.