A high-power pulse fiber laser for laser cleaning comprises a plurality of acoustic-optical Q-modulated pulse fiber lasers, a plurality of fibers, a beam combiner, an output fiber, a cleaning head, a plurality of acoustic-optical Q connection lines and an acoustic-optical Q driver, wherein an input end of the beam combiner is connected with the plurality of acoustic-optical Q-modulated pulse fiber lasers through the plurality of fibers, one end of the output fiber is connected with an output end of the beam combiner, an input end of the cleaning head is connected with the other end of the output fiber, one end of each acoustic-optical Q connection line is connected with an input end of each the acoustic-optical Q-modulated pulse fiber laser, and an output end of the acoustic-optical Q driver is connected with the other ends of the plurality of acoustic-optical Q connection lines. By the high-powder pulse fiber laser, the whole machine can be miniature, high-power output is achieved, the working efficiency is improved, and moreover, the high-power pulse fiber laser is more flexible in operation due to implementation of a soft light path.