Inhalation injury is a relatively new concept, formerly known as respiratory burns, which mainly refers to the damage caused by heat and toxic smoke inhalation into the airway. The scope of inhalation injury is relatively broad, including the smoke after the fire, the inhalation of toxic and harmful gases resulting in physical and chemical damage to the tissue. Inhalation injury is mainly to the airway, the lungs produce further damage, can appear pneumonia, pulmonary edema, airway obstruction and a series of complications, the systemic impact is relatively large, easily lead to pulmonary edema and respiratory failure, life-threatening. The treatment of inhalation injury is relatively difficult, especially for moderate to severe inhalation injury, which requires comprehensive treatment. In the scene of the fire should be careful not to shout for help, if possible, you can use a wet towel to cover the nose, mouth, to reduce or avoid the inhalation of toxic and harmful gases, to reduce the occurrence of inhalation injury.