To efficiently separate crushed pieces comprising a light material from crushed pieces comprising a heavy material in crushed pieces after crushing a plastic container containing the light material of a film-like resin label or the like such as a PET bottle with a label, and the heavy material of the PET main body or the like.

A recycling apparatus 10 for a waste PET bottle 50 as a waste plastic container is equipped with a coarse crusher 12 for crushing the waste PET bottle 50 to coarse crushed pieces 51 having sizes at least two times a size wherein the waste PET bottle 50 is usually crushed, and a wind separator 13 for separating by wind force coarse light pieces 511 of the coarse crushed pieces 51 crushed by the coarse crusher 12 from its coarse heavy pieces 512.