Black stools in children may be due to diet, medication and upper gastrointestinal bleeding, the specific cause needs to be clarified and medical consultation is recommended for treatment. Common causes 1, dietary factors: food containing black-colored things, such as black rice, black fungus, black sesame, mulberry, etc., will cause the stool color black. Consumption of blood products food, blood products in the iron oxidation in the intestine into iron sulfide, causing the discharge of black stool; 2, drug factors: if you take activated charcoal, iron or bismuth preparations such as bismuth pectin, often lead to gray or black stool; 3, upper gastrointestinal bleeding: such as Helicobacter pylori infection, causing gastritis, gastric ulcer, resulting in damage to the mucosa of the stomach, can cause bleeding, black stool. Treatment 1, change the diet and drugs: stop using food or drugs that can cause the stool to become black, to relieve the symptoms; 2, medication: follow medical advice to use antibiotics for anti-infective treatment, such as cefuroxime, amoxicillin, taking lactobacillin tablets to regulate intestinal flora imbalance; 3, other treatments: such as disease, symptoms are more serious, if necessary, surgical treatment. Attention during breastfeeding, the mother’s diet will also affect the child’s stool color, if the mother’s diet is too fatty, sweet and greasy, you need to try to avoid.