To provide an office desk system structured by combining a plurality of office furniture, having a great flexibility of setting a layout and facilitating the change of the layout.

Movable wagon desks B in which support leg rods are erected on a pair of ground-contacting legs arranged on both and the longitudinal intermediate portion of a top board 1 is vertically turnably pivoted to the upper ends of the support leg rods, in addition, including at least a plurality of movable folding tables A with a panel in the rear provided with front panels 5 in the rear, in addition, and having lifting top boards 19 adjustable to the height equal to the top board and the height lower than the underside of the top board, and lifting panels C attachable to and detachable from at least the side edge of the top board or one of the rear edge and the side edge of the lifting top board and adjustable in height are combined appropriately.