Common clinical causes of burns include spills or falls caused by thin rice, boiling soup, boiling water, steel, iron, etc. Self-rescue method: 1. Take off the hot liquid impregnated clothes as soon as possible to prevent the heat contact time from deepening the trauma. When taking off clothes, pay attention to quickly remove the outer clothing first, then take off underwear, in order to protect the injured parts, to avoid damage to the trauma when taking off clothes, underwear and the injured part of the tightly, the application of shears to cut open and take off. 2.Find a cold water source in the area, you can use tap water, well water, mineral water, etc. rinse. According to the specific situation, there should be a difference between winter and summer flushing time, both to achieve the purpose of flushing, but also to keep warm. The ultimate goal is to cool down and accelerate the heat dissipation from the trauma site, prevent the trauma from deepening, reduce the degree of injury, and create conditions for future treatment.