Burn injury is a common trauma in daily life, and whether the self-rescue of burn injury is timely or not has an important impact on the subsequent treatment and prognosis and regression. Therefore, it is necessary to understand some burn self-help knowledge. (A) general burns 1, no matter what burns (flame, boiling water, chemical, electrical) should be quickly removed from the source of injury. 2, as soon as possible to take off the fire or hot liquid impregnated clothing. 3, small area burns should be cold therapy as soon as possible, cold therapy time for 30-60 minutes, to stop cold therapy pain relief is obvious degree. 30% or more large area burns patients should not be cold therapy. The specific method is: the burn trauma under the tap shower or dipped in cold water, but also available cold (ice) water-soaked towels, gauze pads and other compresses on the trauma. Cold therapy time is about 30-60 minutes, the temperature is 15-20 ℃. 4, after cold therapy to prevent contamination of the trauma, the application of clean gauze or sheet wrapped trauma. 5.The combined injury should be treated immediately. If there is bleeding, the bleeding should be stopped first, and there is fracture should be fixed simply first. 6.Do not apply colored drugs or grease on the trauma surface, such as: red mercury, gentian violet, soy sauce, yellow sauce, toothpaste, fragrance oil, etc. In order not to affect the doctor’s judgment of the depth of the trauma. 7. Pay attention to keep warm. (B) special substance burns self-help precautions 1, oral corrosive acid can cause upper gastrointestinal burns, laryngeal edema and breathing difficulties, can be neutralized by oral egg white or milk, etc. Baking soda neutralization, gastric tube lavage or emetic to avoid causing gastric perforation. 2, quicklime burns. Because the reaction of lime with water can release a lot of heat, aggravating the damage, so the residual lime on the trauma should be clean, and then rinse with water. 3, phosphorus burns. Phosphorus can spontaneously combust in the air, so self-help should first remove contaminated clothing, rinse the trauma and its surrounding skin with a large amount of water, the phosphorus and its compounds washed away, in the absence of water at the scene, the application of soaked wet cloth (or even urine) wrap or cover the trauma to isolate the air. When bandaging, any oil-based medication or gauze is prohibited to avoid phosphorus dissolving in the oil being absorbed.