The utility model discloses a car type plane steel template polishing machine, comprising a frame composed of a bottom plate and a push handle at the end, a controller at the upper of the push handle, wheels at the bottom of the bottom plate, and a motor vertically fixed on the bottom plate, wherein the output shaft of the motor is through the loading board to connect a brush disc, the motor comprises two same motors symmetrically provided along the longitudinal central line of the bottom plate, having reversal rotation directions, the output shaft of the motor is assembled with a flange plate to connect the brush disc, the brush disc is drilled with a hole in which a steel wire plugged. The utility model is in single-man hand-pushing type, via which single man can complete cleaning, and the utility model is not limited by the size of the template and can clean and polish all plane templates, having simple structure and practicality, the main structure of the utility model adopts two same motors of reversal rotations, to simplify the structure, eliminate unnecessary transmission mechanisms, having stable starting and working, and better controllability.