Excessive bleeding can first lead to anemia, after which shock, coma, and multiple organ failure can occur. If the human body has blood vessel rupture, such as common upper gastrointestinal hemorrhage, hemorrhage of ectopic pregnancy, hemorrhage of splenic trauma and splenic rupture, hemorrhage of liver rupture, and all kinds of traumatic injuries resulting in limbs with severed ends and other blood flow, and the patient who has excessive bleeding will first experience pallor, coldness of the limbs, cold sweating, fainting, gradual drop in blood pressure, coldness of the hands and feet, shortness of breath, the heart rate becomes fast, and the pulse rate The pulse becomes thin or fast, and finally cannot be felt, and there is anuria, oliguria, and the blood pressure drops, resulting in insufficient blood and oxygen supply to all organs, and multi-organ failure, which eventually leads to death. In this case, it is necessary to immediately stop the bleeding, can see the severed limb needs to be ligated, give intravenous pressure, rehydration, symptomatic, supportive treatment, blood transfusion treatment. In case of emergency, emergency surgery is also needed.