To squeeze mop materials just by pushing out without applying twisting force to a shaft and to provide a cleaning mop in a simple structure.

This mop is composed of an outer cylinder 1, an inner shaft 2 passed through and mounted inside the outer cylinder 1 so as to be moved in an axial direction while being turned through a gentle helical line part 4, many string-like mop materials 3... attached to the lower end side of the outer cylinder 1 and the inner shaft 2 and a grip part 5 formed at the upper end of the inner shaft 2. One end of the mop materials 3... is fixed to the outer cylinder 1, the other end is fixed to the inner shaft 2 and the form of a loop shape is maintained.