Resuscitation of hemoptysis: 1. Avoid letting the patient move around a lot and try to lie in bed as much as possible. In addition, give oxygen, keep the airway open, and if necessary, use suction to suck blood and foreign bodies from the mouth. 2, hemostatic treatment, you can apply hemostatic drugs, such as hemostatic min, hemostatic aromatic acid, vitamin K1, posterior pituitary hormone, etc.. Alternatively, a bronchoscope can be applied to get inside the airway and find the bleeding point so as to stop the bleeding locally.3. Quickly establish venous access and then draw blood for laboratory tests. In case of anemia, application for transfusion of concentrated red blood cells and fresh frozen plasma should be given immediately, where fresh frozen plasma also has a hemostatic effect. Also pay attention to fluid replenishment, rapid rehydration, and establish at least 2-3 intravenous channels.4. If the state of shock cannot be corrected by blood transfusion and fluid replenishment, blood pressure raising drugs should be given to control blood pressure, commonly used are dopamine and alamine.5. Symptomatic treatment, correction of water and electrolyte imbalance as well as respiratory acidosis and other conditions.