Medium-sized automatic brush machine, cleaning more efficient, more clean water tank capacity, higher operating performance in the small automatic brush machine. This compact and easy to operate automatic brush machine has a variety of models selection, brush type, brush-type disc, power-driven, battery driven, the working width from 45CM-53CM. Wheel design is easier to move the angle of operation of equipment. Applicable to the hotel lobby, factory floor, office space, shopping malls, supermarkets in the hard surface cleaning and polishing, spraying, brushing, smoke pollution simultaneously. Brush disc diameter increased, so efficiency is greatly improved. Little progress can be cleaned every area of 1840 square meters, with batteries and wires available.