The first thing to look at is the site of the gastrointestinal bleeding, whether it is from the upper or lower gastrointestinal tract, and secondly, the amount of bleeding, and also whether the blood that is vomited or defecated is fresh and red, or black, similar to slate oil. Then proceed to the next step of treatment. If the upper gastrointestinal bleeding, usually vomiting blood, vomiting bright red blood or blood clots, usually in larger amounts, easily lead to the patient’s symptoms of shock, this time should be the main focus of hemostasis, you can use three lumen two sac tube compression to stop bleeding, and then find out the specific site, and then carry out surgery or conservative treatment, patients with shock need blood transfusion, rehydration, observation of water and electrolyte content to avoid disorders, and at the same time do a good job of protecting Patients in shock need blood transfusion, fluid replacement, observation of water and electrolyte levels to avoid disorders, and protection of the gastric mucosa. Lower gastrointestinal bleeding is usually blood in the stool, the amount of bleeding is not large, usually black slab-like stool, the diagnosis can be confirmed and the site of bleeding can be found through routine stool tests and colonoscopy. Therefore, the treatment of gastrointestinal bleeding will be determined by the site and the amount of bleeding to determine whether it is conservative or surgical treatment. When the amount of bleeding reaches more than 1500 ml, the first thing to do is anti-shock hemostatic treatment, and then consider the treatment of the original disease.