Fight in time, time first; Life first, saving people first; Things are complicated, and disaster relief comes first. Fire is ruthless, and a small fire will turn into a big fire if it is not remedied in time. So put it out at the first time to prevent expansion and reduce losses and injuries; Life is supreme, the fundamental purpose of fire fighting is to save people, and saving people is always the first; Once there is a disaster, we should move closer to disaster relief. Fire extinguishing method: cooling fire extinguishing method: cooling fire extinguishing method is to control the temperature of combustible substances below the ignition point to achieve the purpose of fire extinguishing; Asphyxiation fire extinguishing method: as the name implies, by isolating the air, the combustible materials in the combustion area can not get enough oxygen, thus stopping the combustion; Isolation fire extinguishing method: this is a kind of fire extinguishing method of "leaving your car behind", which isolates or evacuates the burning object from its nearby combustibles and eliminates the combustibles, one of the three necessary conditions for combustion, so as to achieve the purpose of fire extinguishing.