The invention discloses an automatic shoe polisher comprising a base and a case cover connected on the upper part of the base. The front and top surfaces of the case cover are provided with openings. The middle of the base is provided with a dust collecting box. A grid leakage dust protective laminate is arranged on the upper part of the dust collecting box. A sole brush penetrating the grid leakage dust protective laminate is arranged on the position of the dust collecting box and the position is close to the opening. An inner box is arranged on the position inside the base and the position is next to the dust collecting box. Tri-color brush rollers with upper brushes are arranged above inside the inner box. Left and right brush carrier cover bodies extending above the sole brush are respectively connected on the middle parts of two side plates of the inner box. The tri-color brush rollers with shoe side brushes are respectively arranged in the cover bodies. The shoe polisher realizes multidirectional cleaning of the leather shoes through cooperation of the roller brushes in four directions. The semi-closed case structure helps reduce dust scatter. The folding door can enable themachine body to be closed and to keep nice-looking and safe. The tri-color brush roller mechanism effectively realizes the function of caring with multicolor shoe polish and has the functions of all-round dedusting, polish spraying and polishing on the same position.