Water pump and water pumping assembly

The water pump comprises a pump body and an installation assembly arranged on the pump body, the pump body is provided with a water inlet and used for being detachably connected with a water tank, and the installation assembly is provided with a filtering channel used for containing a filtering piece. The installation assembly is provided with an inlet communicated with the filtering channel, a first port of the filtering channel is communicated with the water inlet, and a second port of the filtering channel is close to the inner wall of the water tank so that the filtering piece can be contained in the filtering channel. According to the water pump and the water pumping assembly, the pump body pumps water filtered by the filtering piece in the mounting assembly, and impurities are prevented from flowing into the pump body; and after the filtering effect of the filtering piece is reduced, the filtering piece can be replaced after the pump body is detached from the water tank, so that the normal operation of