Stomach bleeding for 4 days and still black stools are considered to be caused by the bleeding has not been drained or still bleeding. Stomach bleeding is a bleeding disorder that occurs in the stomach, and the patient often vomits blood or has black stools. In the case of black stools, most of the time, the amount of bleeding from the stomach is relatively small and the location of the bleeding is relatively high, and the hemoglobin will be converted to iron sulfide after passing through the stomach as well as the intestinal tract, resulting in black stools, and the black stools may last for a few days due to the fact that the bleeding has not been drained cleanly. However, if you still have black stools after 4 days of stomach bleeding, it is also possible that the bleeding has not stopped and there is still a small amount of bleeding. Stomach bleeding 4 days still black stool is best to go to the hospital, clear cause after targeted treatment or treatment, if still bleeding generally by the doctor’s guidance need acid-suppressing drugs and promote mucosal repair drugs, such as omeprazole, rabeprazole, bismuth potassium citrate, colloidal bismuth pectin and so on. When taking the above drugs, pay attention to whether the drug is allergic to the drug, if the drug is allergic to the person prohibited from taking.