Abstract: A cleaning base station includes a base and a liquid injection device, the liquid injection device is mounted on a base, the liquid injection device includes a liquid injection member and a driving assembly, the liquid injection member is configured to connect to a liquid supply structure for delivering cleaning liquid, the liquid injection member have a first position and a second position; a driving assembly includes a main driving member and a rotation member, the rotation member is rotationally connected to the main driving member, the rotation member is provided with at least one arc driving groove, an outer peripheral surface of the liquid injection member is provided with a driving rod, the driving rod corresponds to the at least one arc driving groove one-in-one, and the driving rod is slidable within the arc driving groove.