There is a difference in the color of blood in rectal cancer and hemorrhoid stools. Most of the blood in rectal cancer stools is dark red, while hemorrhoid stools are mostly bright red. In patients with rectal cancer, if the bleeding is small and slow, the blood will adhere to the surface of the stool, so it looks dark red, and when mixed with mucus, it will be red and white. When rectal cancer is combined with infection, there will be yellowish-white pus in the stool, and when it is mixed with blood, it will show white, red and yellow colors. In addition, there are also a small number of patients who will show bright red color when they bleed a large amount. Hemorrhoids are mostly bleeding in the anus after defecation, the color is mostly bright red, and will not be mixed with stool, most of the symptoms are light when the performance of dripping blood, when the symptoms are serious, it will be a jet-like bleeding performance, usually after defecation will stop bleeding, but hemorrhoids bleeding is serious patients, it is easy to anemia will occur. It is recommended that patients with blood in the stool, should go to the anorectal department of the hospital, through the colonoscopy and other means to help distinguish, and then actively carry out effective treatment.