Multifunctional surface cleaning device

The utility model discloses a multifunctional surface cleaning device, and belongs to the technical field of cleaning equipment. Comprising a machine body, a cleaning module driven by a motor, a liquid supply module comprising a liquid supply box, a water pump and a liquid spraying piece, a steam generation module, a dirt collecting barrel, a handheld machine comprising a battery and a suction fan, a state detection module, a wired power connection module and a first control module. The first control module controls the machine body to start the first cleaning mode or the second cleaning mode according to a signal fed back by the state detection module and the connection condition of the wired power connection module. In the first cleaning mode, the handset is installed on the machine body so that the handset and the machine body are in a combined state, and in the second cleaning mode, the handset and the machine body are in a separated state. The corresponding cleaning mode is reasonably set according to th