This situation is black in women and diet, gastrointestinal bleeding related, need to deal with the specific situation, as follows: 1, with the diet, if you eat too much animal liver will lead to stools become black, this situation is a normal physiological phenomenon, just need to eat less or stop eating such food can make the stool color back to normal, but if still not recovered to the hospital in time for 2, most common in the upper gastrointestinal bleeding, upper gastrointestinal bleeding refers to the esophagus, stomach, duodenum bleeding lesions, black is the most common symptom of gastrointestinal bleeding, this situation needs to go to the hospital to identify the cause, according to the condition of symptomatic treatment. Usually internal medication is used for treatment, commonly used drugs are hemostatic drugs, drugs to protect the mucosa and drugs to inhibit gastric acid secretion.3. Gastrointestinal bleeding is closely related to diet, patients should pay attention to diet, conditioning to light, easily digestible food, do not eat food with stimulating.