To equip a car washing brush with a high washing effect while the brush is constructed simply at low cost.

The car washing brush 10 is structured so that a number of brush pieces 20 are fixed to the periphery of a rotor 11, wherein each brush piece 20 is furnished with a non-woven cloth piece 21 extending from a mounting base part fixed to the rotor 11 to the forefront part and a foaming synthetic resin piece 22 overlapped on the reverse surface ranging from the mounting base part of the non-woven cloth piece 21 to the middle part.