There is blood in stool. If the blood is judged to be hemorrhoid or anal fissure bleeding in stool; If the blood is mixed in the stool, it will be considered as the blood in the stool after lower gastrointestinal bleeding. The patient with hematochezia presents bright red blood, which is commonly seen in patients with intestinal tuberculosis, ulcerative colitis, and Klein's disease. The diagnosis can be made by combining the medical history and colonoscopy. The diagnosis can be made by combining the microscopic manifestations with the pathological returns. After the diagnosis, the cause of the disease can be treated. The medical disease can be treated with drugs, and the surgical disease can be treated with surgery. During the treatment, the routine fecal examination, fecal culture, follow-up observation of digestive department and colorectal surgery should be regularly reviewed, medication should be adjusted, and spicy and stimulating food should be avoided in the diet.
