To provide a demolishing crushing apparatus having an excellent crushing efficiency.

Double rollers are installed on a bucket type or stationary machine body and a plurality of teeth 4 and 5 are protruded on their circumferences so as to form double crushing-toothed rollers 2 and 3. A lattice, meshed screen plate 8 is disposed in proximity of their lower side. A gap between the double rollers 2 and 3 and the screen plate 8 is constituted so as to be freely adjustable, and the screen plate 8 is installed replaceably in the machine body.