Abstract: A hydraulic secateurs has two blades at least one of which is a movable blade operated by a hydraulic device including a drive piston controlled by the movable blade and mounted for sliding with play in a longitudinal bore formed in a handle for the secateurs, and a hydraulic distributor controlling the movements of the piston and including a distributing slide valve moving in a cylindrical jacket positioned to the rear of the drive piston and perpendicularly to its axis.