POLISHING TOOL

A sanding tool includes a baseplate assembly, a housing assembly, a drive mechanism, and a fan assembly. The baseplate assembly includes a baseplate for mounting a sanding member. The housing assembly is disposed on the baseplate and includes a body housing. The drive mechanism is disposed in the body housing and drives the baseplate assembly to move. The housing assembly further includes a functional housing, where a hollow cavity is formed in the functional housing, the functional housing is provided with an inlet and an outlet that communicate with the cavity, the inlet communicates with a dust removal channel of the sanding tool, the outlet is configured to discharge gas in the cavity, and the fan assembly is used for forming a dust removal air path moving towards the inlet. The functional housing is disposed on a side of the body housing and a projection of the functional housing on a plane where the baseplate assembly is located is located within the baseplate; and a ratio of an area of a projection of the functional housing on the baseplate to an area of the baseplate is greater than or equal to 0.15 and less than or equal to 0.95.