Abstract: A mop includes a handle; a sliding sleeve slidingly disposed longitudinally on the handle and including a sleeve housing having a first side face, a second side face and an opening, the squeeze housing being movable from a mopping position to squeezing position in response to a sliding of the sliding sleeve; and a mopping device disposed at a bottom end of the handle and having a mop-head plate and a cleaning pad, the mop-head plate having two swivel-mounted mop-head plate wings foldable toward one another and pressable against each other and at least partially introducible into the opening in response to the sliding of the sliding sleeve into the squeezing position.