A method for the debarking of logs is disclosed, which comprises treating the logs with enzymes to weaken the bonds between the bark and wood. An apparatus is also disclosed for the debarking of logs, comprising a conveyor for conveying the logs to a debarker, a piping system with nozzles for spraying the logs with an enzyme solution, a device for separating the enzyme solution from the logs and conducting it back into the piping system, and a feed device for supplying enzyme solution into the circulation system.