Floor cleaning system

The invention relates to a floor cleaning system, having a mobile floor cleaning apparatus that comprises at least one cleaning unit for cleaning a floor surface, a reservoir for receiving a cleaning liquid, a dirt receiving device for taking up dirty liquid from the floor surface, and a dirty liquid container into which the dirty liquid is transferable; and further having a docking station for the floor cleaning apparatus, which is docked thereto in a docked position; wherein the docking station has at least one supply conduit with a connection element arranged thereon, the floor cleaning apparatus having at least one liquid conduit with a connection element arranged thereon; wherein the floor cleaning apparatus comprises a rinsing device on or in the dirty liquid container; and wherein, when the floor cleaning apparatus is in the docked position, the connection elements are coupled to one another such that the reservoir is fillable with the cleaning liquid via the at least one liquid conduit and a rinsing liquid for rinsing the dirty liquid container is applicable to the rinsing device via the at least one liquid conduit.