The invention relates to a compression label-remove device of waste plastic bottle, which comprises a feeding device (10), a compression device (20), and discharging device (30) while they are connected in sequence. Wherein, the feeding device has a feeding inlet and the discharging device has a discharging outlet; the compression device (20) comprises a compression case (7) inside which a rod (11) with tooth on its surface is arranged; the rod (11) is connected to drive motor; the discharging outlet is under the rod (11); the feeding device comprises a feeding case (2) which has said feeding inlet and inside which a first taper screw (3) is vertically arranged to said rod (11); and said screw is connected to the drive motor while its distance between the inner wall of case (2) can increase along the feeding direction. The invention can compress plastic bottle to apply transmission via the compression device; it can automatically remove the label on the plastic bottle without manual handling; and it has high working efficiency. |