The causes of constipation and bleeding include anal fissure, hemorrhoids and gastrointestinal tumors, the severity of which is related to the disease, and the cause needs to be clarified and then actively treat the cause. 1. Anal fissure: after anal fissure, it is recommended to have a light diet, quit smoking and drinking, avoid spicy and stimulating food, drink more water, eat more food rich in dietary fiber, and keep the bowel movement smooth. You can relieve the discomfort by 1:5000 potassium permanganate solution sitz bath, habitual constipation need to use Keserol or lactulose and other drugs to improve the conditioning. 2. Hemorrhoids: Hemorrhoids can be treated with adhesive band ligation or injection sclerotherapy. When hemorrhoids are mild, you can choose to change lifestyle habits or warm water sitz bath to relieve discomfort, bleeding significantly can be applied locally Yunnan Baiyao cream or hemorrhoid cream and other drugs to stop bleeding, anti-inflammatory to relieve symptoms. 3. Digestive tract tumor: constipation and bleeding caused by digestive tract tumor is more serious, need to undergo further examination to clarify the benign and malignant nature of the tumor, and actively treat it under the doctor’s advice. If constipation and bleeding occurs, you need to consult the doctor actively and follow the doctor’s advice for reasonable treatment.