Disclosed is a household mopping robot used for cleaning a floor. An insertion plate is inserted in the front end of a rack, a pair of left walking wheels are rotatably mounted at the left end of therack, a pair of right walking wheels are rotatably mounted at the right end of the rack through a wheel shaft, and an inner cavity of the rack is internally provided with a mopping mechanism; the mopping mechanism comprises a driving conveying roller, first wading rollers, a transition roller, second wading rollers, a guiding roller, mopping rollers, a leading roller, a driving unit, a brushing unit, a cleaning wheel and mopping wipe tools; the mopping wipe tools are arranged among the driving conveying roller, the first wading rollers, the transition roller, the second wading rollers, the guiding roller, the mopping rollers and the leading roller. The brushing unit comprises first and second brushing boxes, the first wading rollers are rotatably mounted in the first brushing box, the second wading rollers are rotatably mounted in the second brushing box, the rack is internally provided with the driving unit driving the right walking wheels, the driving conveying roller and the cleaning wheel to rotate, and the brushing unit is used for brushing the mopping wipe tools. The household mopping robot can be used for efficiently cleaning the floor.