Often some hemorrhoidal friends are shocked to find blood after BB. Today, I will teach you to recognize the blood in the stool. No matter how it is best to find a doctor as soon as possible to take a good look at oh! 1, hemorrhoids: hemorrhoids early generally painless blood in the stool, blood in the stool color is bright red, the amount of blood in the stool is not much, mixed with feces, usually appear in the post-stool handkerchiefs, accounted for the distribution of drops, is due to the repeated friction of feces. Hemorrhoids in the middle and late stages of the time there will be swelling out, hemorrhoidal nuclei will appear edema, inflammation and so on, this is also will appear severe pain. 2, anal fissure: the color of the stool bleeding is bright red, the amount of blood is not much, usually not mixed with feces, but will produce severe pain. 3, anal polyps: fecal friction during defecation, making the polyp epidermal tissue is damaged stool bleeding color is bright red, the amount of blood is not much, not mixed with feces, painless, and no obvious symptoms. 4. Rectal cancer: the color of stool bleeding is bright red, mixed with feces, and there is a slight feeling of swelling in the early stage, which is not particularly obvious. In the late stage, there will be increased frequency of bleeding and stool, falling, general weakness, diarrhea and so on.