The specific steps are as follows:
Once disaster strikes suddenly, don't panic. If there are many people at the scene, you should immediately send personnel to call medical personnel to the scene and give necessary treatment to the wounded and sick. Quickly eliminate fatal and harmful factors, such as removing heavy objects pressed on your body and evacuating from the poisoning scene. If it is an electric shock accident, immediately cut off the power supply; Remove mud and sand, vomit, blood clots or other foreign bodies from the mouth and nose of the wounded and sick, and keep the respiratory tract unobstructed. Hemostasis, if there is traumatic bleeding, should be quickly bandaged to stop bleeding, materials from local sources. You can stop bleeding with pressure bandage, tourniquet or finger pressure, and inform the ambulance to seek medical treatment in time.