Fire pumps are divided into different types according to different classification methods. Due to their complete sealability, no leakage and corrosion resistance, they are widely used in environmental protection, water treatment, fire protection and other fields. They are used to pump various liquids. They are ideal for creating sealing. It is the ideal pump and fire protection system for environmentally friendly and civilized workshops and factories. The types of pumps are similar, but the pressure and consumption are different. The basis for choosing a fire pump should be considered based on five aspects, including requirements for technology flow, water supply and drainage. The operating and technical conditions of the fire pump comply with the requirements of the standard "Operation and testing methods of fire pumps".