A water pump is a machine that transports liquids or makes liquids flow. The mechanical energy of the prime mover or other external energy is delivered to increase the energy of the liquid. It mainly provides transport suspension including water, oil, alkaline acid, bubble liquid, emulsion and metal.

The technology of water pump performance includes, suction lift, head, power, water power, efficiency, etc.; according to the controllable fluid pump, fluid pump, vane pump. And other types. Pumps use changes in their mobility to transfer; vane pumps use swing energy and water flow to transfer energy, such as centrifugal pumps, axial flow pumps and mixed flow pumps.