The invention provides a plastic recycling and reusing device, and belongs to the field of plastic processing equipment. The plastic recycling and reusing device comprises a box body. Multiple filterbarrels are arranged at the lower end of the box body. Multiple filter holes consistent in diameter are formed in each filter barrel. Multiple crushing cutters are arranged in the filter holes. The crushing cutters can rotate along the axes of the crushing cutters under drive of a belt wheel. The plastic recycling and reusing device can uniformly crush plastic, then the plastic is used as raw materials to be fed, and recycling and reusing of plastic products are achieved.