The invention discloses a log peeling device which comprises a workbench. A set of sliding rails are arranged on the upper surface of the workbench. Vertical mounting boards are arranged on the upper surface of the workbench and located on the two sides of the set of sliding rails. Each sliding rail is provided with an electric cart, and a mounting block is arranged on the upper surface of each electric cart. A first circular groove is formed in the upper surface of each mounting block. A first linear motor with the upward telescopic end is arranged in each first circular groove. A controller is arranged on one side surface of the workbench. An electric supply joint is arranged on one side of the controller. The power wiring terminal of the controller is connected with the electric supply joint through a wire. The input end of the controller is connected with the electric carts, the first linear motors, the second linear motors and a rotary motor through wires. The log peeling device has the beneficial effects that automatic turning and cutting processing modes are achieved, the working efficiency is high, personal safety of workers is maintained, and the log peeling device is convenient to use and high in novelty.