Vacuum suction cups can be used to carry paving bricks of different sizes and materials, quickly and accurately transferring them from the stacking place to the laying position, reducing the labor intensity and possible damage of manual handling; during the laying process, they can help workers accurately position the paving bricks, ensure that the spacing between bricks is uniform and the laying is smooth, improve the laying efficiency and the overall flatness and aesthetics of the road surface; they can also be used to fine-tune or repair the laid paving bricks, conveniently and quickly adsorb and move bricks, and make necessary adjustments and repairs.