Black stools with stomach pains are usually the result of a poor diet, such as the application of iron supplements or foods with high iron content. Another possibility is that there is gastrointestinal bleeding and other related causes. The black color of the stool is caused by medication or food. Most of the symptoms of abdominal pain is mild and not frequent, it is occasional, after stopping the medication or food, the black stool may be relieved the next day. If it doesn’t, you should consult a doctor for ultrasound and routine stool tests. In the case of gastrointestinal bleeding, the abdominal pain is usually more severe, and then the black color of the stool persists for a longer period of time. In this case, we should consult the gastroenterology department in time for digestive tract examination and timely treatment to stop bleeding to avoid causing anemia or other related symptoms. If there is any discomfort, consult a doctor in time and follow the doctor’s instructions.