Window cleaning robot movement method and device

The invention provides a window cleaning robot movement method and device, the window cleaning robot comprises a cleaning assembly, a pump module assembly, a driving assembly and a control assembly, the pump module assembly extracts air of a cleaning disc to enable the cleaning assembly to be adsorbed on glass, the driving assembly drives the cleaning assembly to move on the glass, and the control assembly controls the cleaning assembly to move on the glass. The control assembly controls the pump module assembly and the driving assembly and drives at least one cleaning assembly to move on the upper arc by a unit distance; the window cleaning robot movement method comprises the steps that a cleaning disc is defined by a cleaning assembly and glass; negative pressure is formed by the cleaning assembly and a cleaning disc defined by the glass; the driving assembly drives the first cleaning disc to rotate, the driving assembly drives the second cleaning disc, and the first cleaning disc and the second cleaning di