To provide a sorting apparatus of plastic by selectively charging only plastic pieces to be sorted among plastic pieces for precisely attracting and recovering the plastic pieces.

The sorting apparatus of plastic includes: a measuring means measuring the features and position of plastic pieces moving on a belt conveyer; an arithmetic operation means selecting the plastic pieces to be sorted by calculating the measured features and position of the plastic pieces; a charging means selectively charging only the plastic pieces to be sorted; and a recovery means recovering the charged plastic pieces by attracting by electrostatic power.