A power pruner includes a housing, a motor arranged in the housing, a transmission device connected to the motor, a pair of blades and a trigger which is arranged on the housing and used to control the motor. The pair of blades include a fixed blade and a movable blade which is driven by the motor to swing back and forth. The power pruner additionally includes a stroke switch which is arranged on the housing and has at least two statuses wherein the movable blade has a first stroke when the stroke switch is in a first status and a second stroke different from the first stroke when the stroke switch is in a second status.
