High equipped debarking machine with bigger opening diameter. Add support rollers and with wood chips sawing function. Take with the principle of veneer peeling machine. Hydraulically drive the machine feeding, can quickly and efficiently finish removing the bark from the logs and rounding them. A debarking machine can supply two veneer peeling machines to work normally, eliminating the original manual removal of bark and repairing process, saving labor costs of 5-6 people.