The basic techniques of trauma first aid are mainly the following four points: 1, hemostasis, bleeding is a common symptom of trauma, timely and effective judgment of the bleeding site and give simple disposal measures to stop bleeding, commonly used methods of hemostasis are pressure bandage hemostasis method, finger pressure hemostasis method, tourniquet hemostasis method, etc.; 2, bandaging, which can protect the wound surface and reduce infection; 3, fixation, if a fracture is suspected or the disposal of fracture is found. In an emergency, you can take local materials, use branches, bamboo, thick cardboard, etc. for simple fixation of the fracture site to reduce the activity of the fracture site; 4, transport, after the simple treatment of trauma patients, to be sent to the hospital in a timely manner, transport is also very important, the common support, back camel, single person reported, double hold, flat car wheelchair, etc., the specific way of transport needs to be combined with the actual situation of the patient, such as the spine Patients with spinal fractures should be supported by more than one person to avoid aggravating the injury by improper handling. In addition to the above measures, patients with trauma should also pay attention to the monitoring of body temperature, pulse, respiration, blood pressure and other conditions.