Bloating, burping and black stool may be caused by gastric ulcer, gastrointestinal bleeding or gastric cancer, which need to be combined with the cause of the disease to choose the appropriate treatment, and there is no fixed treatment method. 1. Gastric ulcer: Gastric ulcer is an ulcer that occurs in the mucous membrane of the inner wall of the stomach or in the deeper layer, and the treatment is mainly based on medicines, and common medicines include metronidazole, clarithromycin, omeprazole, bismuth potassium citrate, teprenone and so on. 2. Gastrointestinal bleeding: Gastrointestinal bleeding is bleeding in the gastrointestinal tract between the esophagus and the anus, and if the bleeding is relatively small, it can be treated by medication, such as omeprazole, lansoprazole, octreotide and so on. If the bleeding is large, it needs to be treated by surgery, such as endoscopic treatment, interventional treatment and so on. 3. Gastric cancer: gastric cancer belongs to malignant tumors, surgery is the only way for patients to get radical treatment, but it also needs to be combined with chemotherapy, radiotherapy, targeted therapy and other methods for comprehensive treatment. It is suggested that patients should go to the hospital as soon as possible to do relevant examination to clarify the causes of the disease, and then carry out treatment according to the causes, and the drugs should be used under the guidance of doctors.