The research is focused on realizing intelligent cleaning technology of washing service robot. Autonomous intelligent cleaning of washing robot was realized with multisensor fusion system. The regional traversal coverage strategy of intelligent cleaning robot was researched, and an improved detouring overlay algorithm was proposed. RobotBASIC software was used to simulate the area traversal scrubbing algorithm of intelligent scrubbing robot to verify its rationality. The intelligent washing robot is designed to complete the unmanned intelligent cleaning of the road work, so as to achieve the clean automation and intelligence.