Patients with gastric ulcers with black stools indicate the presence of gastric ulcers and bleeding, patients need to go to the hospital in a timely manner, cooperate with the doctor to check the electronic gastroscopy, if necessary, need to perform microscopic hemostasis, such as titanium clips to stop bleeding or injection of norepinephrine to stop bleeding. For black stool caused by gastric ulcer, also known as gastric ulcer and bleeding, is a relatively common digestive system disease, patients need to pay attention to, serious gastric ulcer and bleeding may also occur hemorrhagic shock. Most cases of gastric ulcer and bleeding can be cured by conservative drug treatment in gastroenterology. A small number of patients may fail conservative drug treatment and need to be referred to surgery to stop the bleeding, so patients must pay attention to this.