First aid for severe burns, first check the patient’s heartbeat, such as cardiac arrest, to immediately do cardiopulmonary resuscitation, cardiopulmonary resuscitation, crossed hands, held in front of the chest, pressed on the sternal stalk between the patient’s two nipples for deep compressions, the amplitude of compressions about 3-5cm, a total of 30 times. Then perform mouth-to-mouth artificial respiration 2 times, every 30 compressions, alternating with 2 times of artificial respiration; at the same time should be immediately 120 call for help, as soon as possible to get professional rescue knowledge. If shock occurs, a large amount of fluid should be input, while monitoring the heartbeat, respiration, pulse, oxygen saturation, etc.; if the patient is in severe pain, a small amount of analgesic can be applied. The burn site, protected by a clean gauze bandage, does not need medicine for the time being, because colored liquid will contaminate the wound surface and affect the doctor’s judgment of the depth of the burn.