Black stools with gastric bleeding may be caused by gastric ulcer, erosive gastritis, gastric cancer and other diseases, which can be intervened by medication and surgery. 1. Gastric ulcer: For black stool with gastric bleeding caused by gastric ulcer, patients can take oral rabeprazole, omeprazole and other proton pump inhibitors as prescribed by doctors. Ineffective medical treatment can also take surgical treatment, such as surgical resection of the ulcer. 2. Epicritic gastritis: for black stool with gastric bleeding caused by epicritic gastritis, patients can take oral lansoprazole, pantoprazole and other proton pump inhibitors as prescribed by doctor, and can also take bismuth potassium citrate, colloidal bismuth and other bismuth agents orally. 3. Gastric cancer: Gastric cancer can also lead to the phenomenon of black stool with gastric bleeding, which can be intervened by surgery, radiotherapy and molecular targeted therapy. The above symptoms may also be caused by duodenal ulcer, small intestinal bleeding, etc. Patients should consult doctor in time and follow doctor’s instruction to treat the cause of the disease in order to avoid delaying the condition.