The invention discloses an environment-friendly garbage flammable polishing and breaking machine, which has a simple structure and simple operations, and comprises a power supply reversing switch, an electric driving mechanism, a screw feeder and a bearing single arm support, wherein a machine body is integrated with a hopper, and the head of the screw feeder is provided with an alloy steel file tooth. With the structure, the polishing and breaking machine can transport, stir, polish, break, compress and wring domestic garbage so that the domestic garbage is processed and transformed into an inflammable material which has the environmental protection performance of a solid material and can be produced continuously.