Stay up all night, fire can cause bleeding in the stool, long-term stay up all night, fire can lead to local blood vessels in the anus tortuous, dilated, when the stool is dry, can lead to tortuous, dilated blood vessels rupture, bleeding, causing blood in the stool. If the amount of bleeding is small, gauze can be used for local pressure, spray Yunnan Baiyao to stop bleeding fully, more can be stopped by themselves, and to be 1:5000 potassium permanganate warm water sitz bath, if the amount of bleeding is large, medication is ineffective, you should actively go to the regular hospital anus and intestinal surgery or general surgery department, if necessary, surgical hemostasis treatment. In daily life, we should cultivate good work and rest and living habits, go to bed early and get up early, avoid staying up late, avoid standing and sitting for a long time, adjust the dietary habits, take light and crude fiber food as the main, such as green vegetables, apples, and avoid eating too much spicy, stimulating, raw and cold food, and rinse the anus in time to keep the anus locally clean after the bowel movement.