Portable fire pump is mainly composed of engine, water supply system and hand lift. The engine is the power. Most of the engines used in portable fire pumps are automobile engines, because automobile engines have the characteristics of high power, light weight, simple structure, easy to use and maintain, and fast starting. The air supply system is the working part of the portable fire pump, and the hand lift is the support of the whole machine. When using, pull out the handle horizontally to lift the pump.