After eating mulberry stool black, is due to the mulberry plant pigment caused, belongs to the normal phenomenon, drug factors, upper gastrointestinal bleeding will also lead to black stool. Common causes and treatment 1, food pigment: mulberry contains a certain amount of natural pigment, if overconsumption or digestive ability is weak, can lead to black stool color, will not have an impact on the body, pay attention to drink more water, stop eating in the next bowel movement can be alleviated; 2, drug factors: if you eat mulberry while also taking iron and other drugs, can also lead to black stool, temporary observation can be, generally do not need treatment 3, gastrointestinal bleeding: manifested as black stool, may be accompanied by vomiting blood. If you eat mulberry after a long time black stool, or accompanied by vomiting blood symptoms, it is recommended to promptly seek medical treatment, clear bleeding point, follow medical advice to use omeprazole, thrombin, etc., if the bleeding volume is large, it is recommended that the microscopic treatment or surgery. Caution It is recommended to pay attention to diet moderation in general, do not eat too much or too fast, eat less and eat more, chew and swallow slowly to avoid discomfort such as increased number of stools and abdominal pain. Take a light, easy-to-digest diet, do not eat too much greasy and spicy, stimulating food.