灭火器是一种可由人力移动的轻便灭火器具，它能在其内部压力作用下，将所充装的灭火剂喷出，用来扑救火灾。灭火器材繁多，其适用范围也有所不同，只有正确选择灭火器的类型类型，才能有效地扑救不同种类的火灾，达到预期的效果。我国现行的国家标准将灭火器分为手提式灭火器和车推式灭火器。
Fire extinguisher is a kind of portable fire extinguisher which can be moved by human. It can spray out the filled fire extinguishing agent under the action of its internal pressure to put out the fire. There are many kinds of fire extinguishers, and their application range is different. Only by choosing the type of extinguisher correctly, can we effectively put out different kinds of fires and achieve the expected effect. According to the current national standards, fire extinguishers are divided into portable fire extinguishers and vehicle push fire extinguishers.