Cleaning effect testing device

The utility model discloses a cleaning effect testing device which is used for testing the cleaning effect of a cleaning robot and comprises a testing supporting table, a floor module used for testing the cleaning effect of the cleaning robot is arranged on the upper end face of the testing supporting table, and a flow guide groove is formed in the portion, located on the periphery of the floor module, of the testing supporting table. A water containing box with an opening in the upper portion is arranged at the bottom of the test supporting table, a water outlet penetrating to the bottom of the test supporting table is formed in the bottom of the flow guide groove, and the water outlet is located above the water containing box. According to the utility model, the floor module is arranged on the test support table, and the test support table is provided with the diversion trench at the periphery of the floor module, so that when the cleaning robot tests the cleaning effect on the floor module, sprayed water c