The invention discloses a muck and dust separator for building waste treatment. The muck and dust separator for building waste treatment comprises a vibrating screen, wherein a sieve plate which inclines at 30-40 degrees toward the lower back side is mounted in a sieve box; a suction hook is mounted on the sieve box of the vibrating screen; an induced draft fan is mounted on one side of the vibrating screen; a dust collecting box is mounted between the induced draft fan and the suction hood; a dust suction pipe is connected between the dust collecting box and the suction hood; and an air guideduct is connected between the induced draft fan and the dust collecting box. The separator treats crushed building waste with a robot replacing manual labor, so that the labor intensity of work is alleviated greatly, the work efficiency is improved, and air in the field is prevented from being polluted.