The black color of stool after delivery does not exclude digestive bleeding, nor does it exclude that it is caused by eating black-colored things, such as eating duck blood and other foods, are prone to black stool. You can check the stool routine to see if the occult blood in the stool is positive, if you eat black food to cause black stool, usually stop using this kind of food 2-3 days after the stool color will be normal. If there is positive occult blood do enteroscopy or gastroscopy can see whether the digestive tract mucous membrane is broken, or whether there is a malignant tumor and other causes of bleeding in the stool, if there is bleeding in the digestive tract, you can choose to protect the mucous membrane of the digestive tract to inhibit the secretion of gastric acid drugs to treat. During this period of time, pay attention to not let yourself too tired, try not to eat spicy and stimulating food.