To provide a method and an apparatus for recycling a part to be judged of a plastic capable of surely recycling the part to be judged of an article to be judged of the plastic in the case of judging a type of the article to be judged of the plastic by radiating a light thereto.

The apparatus 12 for recycling the part to be judged of the plastic recycles the site 280 to be judged of the article 260 to be judged of the plastic in the case of judging the type of the article 260 of the plastic by radiating the light thereto, and comprises a machining part 12M for improving a surface state by cutting a surface of the part 280 and a heating and pressurizing part 2,500 for heating to soften and pressurizing the surface of the part 280 improved in its surface state.