To provide a washing brush, easily and efficiently washing a curved surface or part hard to reach in washing every material to be washed such as the body, and further simply and safely washing the same.

This washing brush includes: a shaft rod having a brush part at one end; and a grip part on which the other end of the shaft rod is held, wherein the shaft rod is freely expanded and contracted to and from the grip part in the longitudinal direction. In the brush part, the bristles of the brush are changed in length to be higher at the front end and lower at the rear end, whereby the brush surface can be formed with a gradient, and further a universal joint is provided between the brush part and the shaft bar, whereby the brush surface can be always made parallel to the washing surface.