On-site first aid is the starting point of burn treatment, and its essentials can be summarized as: one fire, two investigations, three defenses, four packages and five deliveries.

Fire fighting: Take various effective measures to put out the fire quickly, so that the wounded will not be hurt again. Removing the heat source can make the wounded burn less, shallower and lighter.

Second check: check whether there is any combined injury in the whole body condition, and take corresponding measures if there are other injuries.

Three defenses: anti-shock, anti-asphyxia, anti-wound pollution. Take painkillers for pain and drink less light salt water for thirst. Respiratory tract burns, to remove foreign bodies, keep breathing unobstructed, and pay attention to protect the wound to prevent pollution.

Four packs: wrap the wound with clean clothes to prevent re-contamination. At the scene, except for chemical burns, wounds are generally not treated and blisters are not broken as far as possible. Pay attention to wound insulation in winter.

Five Games: Leave the scene quickly and take the wounded to the hospital.