Base assembly, cleaning method and self-cleaning method

The invention discloses a base assembly, a cleaning method and a self-cleaning method, the base assembly is used for a cleaning system, the base assembly comprises a base body and a heating assembly, and the base body is provided with a cleaning groove used for containing a part to be cleaned; the heating assembly comprises a heating body and a sealing piece, at least part of the heating body is sealed in the sealing piece, and the heating body is installed on the bottom wall of the cleaning groove through the sealing piece. When the floor washing machine performs self-cleaning, water is discharged into the cleaning groove, the rolling brush rotates and performs self-cleaning, at the moment, the heating body heats cold water to change the cold water into hot water, and the rolling brush rotates to perform hot water washing, so that self-cleaning cleaning is cleaner; after self-cleaning of the scrubber, a small part of water spots can be left in the cleaning groove, residual water can be quickly volatilized th