In case of burns, first wash the burn with a cool towel or cold water to achieve the purpose of cooling, and then seek medical advice in time. Do not use soy sauce or toothpaste to apply burns, which may cause burns. Because low temperature burns will hurt the deep part of the skin, the treatment time will be lengthened, and the treatment is also more troublesome, especially the deep and severe cold wounds of the wounds. It is difficult to cure by local dressing. The necrotic tissue must be removed by surgery. According to the degree of burns, surgery is treated.