Common hemostatic methods mainly include finger pressure arterial hemostasis, direct compression hemostasis, pressure bandage hemostasis, stuffing hemostasis and tourniquet hemostasis, etc. The simplest and most direct hemostatic method cannot be generalized, and should be applied according to the specific bleeding situation: 1. finger pressure arterial hemostasis: applicable to heavy bleeding in the head and extremities, i.e., using fingers to compress the artery at the proximal end of the wound, pressing it against the deep bone, to Make vascular occlusion, blood flow interruption and stop bleeding; 2, direct compression hemostasis method: applicable to small arteries, veins, capillary bleeding, the wound will be covered with sterile gauze, clean towels, clothing or handkerchiefs, direct pressure with fingers or palms for 5-10 minutes, bleeding can often stop, and then choose pressure bandage hemostasis method; 3, pressure bandage hemostasis method: applicable to a variety of wounds, is the most commonly used Hemostasis method, first cover the wound with sterile gauze, compression, and then use bandages or triangular towels and other appropriate pressure bandage, the pressure size to stop bleeding and does not affect the blood circulation of the injured limb is appropriate, the bandage range should be slightly larger than the wound; 4, stuffing hemostasis method: applicable to the groin, axilla, nasal bleeding or other large and deep wounds, should first fill the wound with sterile gauze or clean cloth, and then choose pressure bandage hemostasis method The tourniquet hemostasis method: applies to the key method when the large artery rupture bleeding in the extremities, the application of triangular towels, towels and other flat pads in the wound, and then ligated tourniquet, ligated tourniquet site should be in the proximal end of the wound, upper limb ligated in the upper 1/3 section of the upper arm, do not ligated in the middle 1/3 section, to prevent injury to the radial nerve, lower limb ligated in the mid-thigh.